1932-3x, WX66, 1932 U.S. Christmas Seals Sheet, Plate A, pm U, full gum, F, MNH. Fresh, firm paper, never folded, shipped flat.
Issued by the National Tuberculosis Association (NTA). Designed by Edward F. Volkman. Image of carolers in snow. Sheet of 100 (10x10), yellow, red, blue, and ultra. SE 4S. Seal size: 18x24mm, perf. 121/2. Printer's Mark: a dark dot over the post on seal #56, which indicates United States Printing and Litho. Plate A only.
1932 Christmas Seals were printed by four printers, Eureka, Edwards and Deutch, U.S. Printing with plate variations, and Columbian.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.