Quick view Details U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.20 Add to Cart Quick view Details U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.00 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MSRP: Now: $1.35 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MSRP: Now: $1.50 Add to Cart Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.00 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MSRP: Now: $1.35 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MSRP: Now: $1.50 Add to Cart Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MSRP: Now: $1.35 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MSRP: Now: $1.50 Add to Cart Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MSRP: Now: $1.35 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MSRP: Now: $1.50 Add to Cart Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MSRP: Now: $1.50 Add to Cart Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MSRP: Now: $1.50 Add to Cart Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $60.00 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $2.40 Add to Cart Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MSRP: Now: $3.20 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MSRP: Now: $1.05 Add to Cart Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MSRP: Now: $1.15 Add to Cart Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MSRP: Now: $25.00 Add to Cart Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MSRP: Now: $27.50 Add to Cart Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MSRP: Now: $28.50 Add to Cart Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view Details U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MSRP: Now: $32.50 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18/13, UPSS #AM61/45 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.20 Add to Cart Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18/13, UPSS #AM61/46 1950 6c DC-4 Skymaster, 6c Leaning to Right, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.00 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Border d(4) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $1.35 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a 1950 6c DC-4 Skymaster, Type 2 - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $1.50 Add to Cart Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a/12, UPSS #AM63/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $60.00 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a/13, UPSS #AM64/45 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $2.40 Add to Cart Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a/13, UPSS #AM64/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 18a/23, UPSS #AM65/46 1950 6c DC-4 Skymaster, 6c Upright, Border Type d/4 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $3.20 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 19 1951 6c (Lined) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 19 1951 6c (Shaded) on 5c (UC14) DC-4 Skymaster, Die 1 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 19/13, UPSS #AM66/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 20 1951 6c (Lined) on 5c (UC15) DC-4 Skymaster, Die 2 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 20 1951 6c (Shaded) on 5c (UC15) DC-4 Skymaster, Die 2 - Mint Envelope, UPSS Size 13 MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.05 Add to Cart Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 20/13, UPSS #AM67/41 1951 6c Re-Value of UC15 5c DC-4 Skymaster, Die 2 (Tail Skid Pointed), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $1.15 Add to Cart Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 21 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1 Border b(2) - Mint Full Corner (See Warranty) MINT, F-VF or Better & Never Hinged. MSRP: Now: $25.00 Add to Cart Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 21/13, UPSS #AM70/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $27.50 Add to Cart Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected × OK
Quick view U.S. Scott # UC 21R 1952 6c (Solid) on 5c (UC14) DC-4 Skymaster, Die 1, "Rubber Die" - Mint Envelope, UPSS Size 13 (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $28.50 Add to Cart Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected
Quick view U.S. Scott # UC 21R/13, UPSS #AM70R/41 1951 6c Re-Value of UC14 5c DC-4 Skymaster, Die 1 (Tail Skid Round), Border Type b/2 - "Rubber Die" Variety - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 3/4" x 3 3/4". MSRP: Now: $32.50 Add to Cart Previous 74 75 76 77 78 79 80 81 82 83 84 Next Previous 74 75 76 77 78 79 80 81 82 83 84 Next Compare Selected
