William J Kozersky, Philatelist

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

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

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: