1936-4x, WX81, 1936 U.S. National Christmas Seals, pm U, Sheet/100, F, MNH. 1936 Christmas Seals, full sheet of 100, fresh, firm paper, vibrant colors, full gum, never folded, shipped flat.
Issued as a se-tenant pair, side by side, with alternating frame colors throughout the sheet. There are 96 regular seals (48 se-tenant pairs) and four slogan seals. All seals have gray margins and sheet has a dotted i in "HOLiDAY", on seal #71. Sheet of 100 (10x10), yellow, gray, red, and green. Seal size: 18x24mm.
Slogan Seals: the four corner seals are slogan seals, and show the double-barred cross, one or two candles, and wording as follows: Seal #1: "Tuberculosis is Preventable"; Seal #10: "Protect Your Home From Tuberculosis"; Seal #91: "Help Fight Tuberculosis"; Seal #100: "Tuberculosis is Curable".
1936 Christmas Seals were printed by four printers, Eureka "E" (WX80), Strobridge "S" (WX81), Edwards and Deutch "D" (WX81), and U.S. Printing "U" (WX81). A letter "E" "D" "S" or "U" appears on seal #56.
Christmas Seals are also known as TB Charity Seals, and are sometimes classified as Charity Seals, or Cinderella Stamps.