1933-3xC, WX69, 1933 U.S. National Christmas Seals Sheet, orange dot, full gum, F, MNH. Fresh, firm paper, never folded, shipped flat.
Issued 1933 by the National Tuberculosis Association (NTA). Designed by Hans Axel Walleen. Image of children pulling a sled in snow. Sheet of 100 (10x10), orange, yellow, green, black. Seal size: 23x17mm. Perforated margin at bottom with black inscription: "Tuberculosis is Preventable Buy Christmas Seals Tuberculosis is Curable." No printer's mark. However, there is a orange dot on seal #55, which indicate U.S. Printing.
1933 Christmas Seals were printed by four printers, Eureka (WX68), Strobridge (WX69), U.S. Printing (WX69), and Columbian (WX69).
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps
.