1951-1x2, 1951 U.S. Christmas TB Seals, Sheet/100, No pm, F, MNH. Fresh, full gum, never folded, shipped flat. Scan is of a full sheet.
Issued by the National Tuberculosis Association.
Seals designed by Robert Stephens. Santa face, sheet of 100 (10x10), pink, black, red and green,. Seal size: 17x23mm, perf. 121/2x12. Printer's mark: No printer's mark.
Sheets of 1951 Christmas Seals were printed by 5 printers. They can be identified by a tiny black "E, S, D, U, or F" on seal #56.