William J Kozersky, Philatelist

Philatelist, collector, and dealer in collectible Charity Seals such as Christmas Seals, Spring Seals, Local TB Seals, Foreign TB Seals, Easter Seals, Boys Town Seals, Charity Seals, and Charity Seal Literature. Plus, Cinderella Stamps, Topical and Foreign Stamp Packets, Disney Stamps, Stamp Collecting Supplies, Postcards, and Collectible Labels.

We donate 10% of all U.S. Christmas Seals & U.S. Spring Seals sales to the American Lung Association (ALA)

Please Note: the USPS estimates that orders shipped Saturday (5/18/2024) will arrive within 2-3 days.

U.S. Christmas Seal Essays & Proofs: U.S. Christmas Seal Proofs are trial impressions of the accepted design, while Essays are trial proofs which are different from the accepted design. These proofs may differ in color, perforation, sheet format, paper, etc. from the issued seal. Within this category are Essays, Negative Maker's Proofs, Single Die Proofs, Imperforates, and Progressive Color Proofs (PCPs). All are identified with catalog numbers from the Green's Catalog. We have identified and cataloged the following Christmas Seal proofs: