U.S. Scott # UX 40/UPSS #S58-1H3-S, 1952 2c on 1c Abraham Lincoln (UX28), green on buff, Head 3, Surcharge Shifted Up - Mint Postal Card (See Warranty)
Head Types of UX28 and its surcharges (UX40 and UX42) are discussed in the UPSS Postal Card Catalog. There are 4 "Major" Types....1,2,3,and 3A. Due to Plate wear & other factors, there are also minor varieties of these major types.