1934-1px, 1934 U.S. National Christmas Seals, Imperforate Proof Sheet of 100 seals, F, No Gum. Issued 1934 by the National Tuberculosis Association (NTA). Designed by Herman D. Giesen. Image of Trudeau TB Sanatorium. Fresh, firm paper, never folded, shipped flat. Full scan of front and back available upon request. Label is not attached to sheet.
Sheet of 100 (10x10) Christmas Seals. Seal colors: red, blue, and ultramarine. Eureka Printing, there is an extra fifth star to the right of the cross on seal #10.
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.