50-3x, WX151, 1950 U.S. National Christmas Seals Sheet, pm D, full gum, F, MNH. Issued 1950 by the National Tuberculosis Association (NTA). Designed by Andre Dugo. Image of three young carolers. Firm, fresh, shipped flat. Scan is of a full sheet.
Sheet of 100 (10x10)seals; colors: red, green, yellow, and black. Seal size: 21x26mm. Printer's Mark "D" on the green background below the double-barred cross, in the lower left corner of seal #56.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.
