1929-2pcp1, WX50, 1929 U.S. National Christmas Seals, Progressive Color Proofs (PCPs), perf. 121/2, disturbed gum, P3S, F, NH.
A complete set of three (3) stages showing color plate separations and the final design. Scan is an example of the item.
Progressive Color Proofs are usually issued in sets to show colors separately and in combination.
Issued by the National Tuberculosis Association (NTA).
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.
