Quick view Details U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.65 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MSRP: Now: $0.55 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.70 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MSRP: Now: $0.40 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.65 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MSRP: Now: $0.55 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.70 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MSRP: Now: $0.40 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.65 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MSRP: Now: $0.55 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.70 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MSRP: Now: $0.40 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MSRP: Now: $0.55 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.70 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MSRP: Now: $0.40 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.70 Add to Cart Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MSRP: Now: $0.40 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MSRP: Now: $0.40 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $1.00 Add to Cart Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.60 Add to Cart Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MSRP: Now: $0.90 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MSRP: Now: $0.95 Add to Cart Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MSRP: Now: $0.50 Add to Cart Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.80 Add to Cart Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view Details U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 593/23-WINDOW, UPSS #3664/47 1981 18c Star & U.S.A. - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12 MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.65 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.55 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.70 Add to Cart Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.40 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594/12, UPSS #3667/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594/12, UPSS #3667/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $1.00 Add to Cart Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594/12, UPSS #3667/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594/23, UPSS #3669/48A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.60 Add to Cart Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594/23, UPSS #3669/49A 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 594/23-WINDOW, UPSS #3670/47 1981 (20c) "C" Eagle Non-Denominated Envelope - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 12-WINDOW MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.90 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23 MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Envelope, UPSS Size 23-WINDOW MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.95 Add to Cart Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595 1979 15c Veterinary Medicine - Mint Full Corner MINT, F-VF or Better & Never Hinged. MSRP: Now: $0.50 Add to Cart Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595/12, UPSS #3631/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595/12-WINDOW, UPSS #3632/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 6 1/2" x 3 5/8". MSRP: Now: $0.85 Add to Cart Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected × OK
Quick view U.S. Scott # U 595/23, UPSS #3633/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.80 Add to Cart Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected
Quick view U.S. Scott # U 595/23-WINDOW, UPSS #3634/49A 1979 15c Veterinary Medicine - Mint (See Warranty) MINT, and in excellent condition. Envelope Size 9 1/2" x 4 1/8". MSRP: Now: $0.85 Add to Cart Previous 49 50 51 52 53 54 55 56 57 58 59 Next Previous 49 50 51 52 53 54 55 56 57 58 59 Next Compare Selected
