20-2Ax, WX27, 1920 U.S. Christmas Seals Sheet, Type 2A, F, No Gum. Sheet has never been folded, shipped flat. Scan of front and back.
Issued 1920 by the National Tuberculosis Association (NTA). Designed by Ernest Hamlin Baker. Image of Santa carrying child on his shoulder. Sheet of 100 (10x10), red, green, and blue. Seal size: 181/2x23mm, perf. 121/2. Lithographed by Strobridge Lithographing Co. Plate A - flaws: Santa's right eye is almost missing on seals #23, and #73. Type 2A seals were printed by Strobridge Lithographing Co.
Issued by the National Tuberculosis Association.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.