1924-1,, WX32, 1921 U.S. Christmas TB Seals Block, perf. 12 1/2, full gum, F, ph. Scans of front and back provided upon request.
Issued by the National Tuberculosis Association (NTA). Designed by George V. Curtis.Image of an Angel. Colors: blue, red, and yellow; size: 18x24mm, with perf 12 1/2. Positions 61..73, well centered, flaw on seals#63 - spur on base of cross at right.
Christmas Seals are also known as TB Seals, and are usually classified as Charity Seals, or Cinderella Stamps..