Philatelist

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 Tuesday (3/19/2024) will arrive within 2-3 days.

Catalogs Used for Identification and Descriptions

We use the following Reference Catalogs to identify and describe all stamps and seals:

  • Scott Standard Postage Stamp Catalogue - Vol. 1 to 6
  • Scott Specialized Catalogue of U.S. Stamps & Covers
  • Stanley Gibbons Stamps of the World Catalogue - Vol. 1 to 6
  • Brookman U.S. & Canada Stamps & Postal Collectibles Price Guide
  • Green's Catalog of the Tuberculosis Seals of the World - Vol. 1, 2, 3
  • Mosbaugh's U.S. All Funds Seal Catalog - Parts 1 to 11
  • CS&CSS Catalog - The Christmas Seal Catalog, 2006 ed.
  • Unitrade Specialized Catalogue of Canadian Stamps
  • The Green's Catalogs, Mosbaugh's Catalogs, and CS&CSS Catalogs are available for purchase at this store.


    We are an authorized distributor of Christmas Seal & Charity Stamp Society Literature.