1948-2x, WX141, 1948 U.S. National Christmas Seals, pm S, Sheet/100, F, MNH. Fresh, firm paper, bright colors, full gum, never folded, shipped flat in an archival safe sheet protector. Scan is of a sheet.
Designed by Barry Bart. Child by fireplace. Sheet of 100 (10x10), yellow, light blue, red, and dark blue. Seal size: 261/2x20mm. Perf. 121/2. Printer's Mark: "S" to the left of the fireplace on seal #56.
1948 Christmas Seals were printed by four printers. The letter "E" "D" "S" or "U" appears on seal #56.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.