1964-2px, 1964 U.S. National Christmas Seals, Imperforate Proof Sheet of 100 seals, pm "D", F, No Gum. Fresh, firm paper, never folded, shipped flat. Scan is an example. Full scan of front and back available upon request.
Issued 1964 by the National Tuberculosis Association (NTA). Designed by Gaetano di Palma. Four (4) designs of Santa with child and stocking with child arranged in blocks of four (4) and alternting in sheet. Printed by Edwards abd Deutsch Lithography Co.
Imperforate sheets have no perforations or rouletting at all.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.
