Site Map


William J Kozersky, Philatelist

Philatelist and dealer in collectible Charity Seals such as U.S. Christmas Seals and U.S. Easter Seals, Foreign TB Charity Seals, Boys Town Charity Seals, Charity Seal Literature, Topical and Foreign Stamps, Stamp Albums, Postcards, plus collectible labels such as Wine Labels, Cigar Box Labels and Crate Labels.

Support the American Lung Association While You Shop
We donate 10% of all U.S. Christmas Seals & U.S. Spring Seals sales to the American Lung Association

New Search:
William J Kozersky Philatelist

P.O. Box 8724
Brea, CA 92822-5724

(714) 881-1157

About Us



William J Kozersky, Philatelist > Collector Supplies > Glassline Envelopes
Glassline Envelopes: We offer G&K Glassline Enveopes in various sizes. G&K Envelopes are excellent for storing your stamps or charity seals. Made from transparent virgin 30# glassline with ungummed flaps. Strong seams, using anti-tarnish adhesive. The glassline envelopes provide the same archival quality as the more expensive envelopes. The G&K Glassline Envelopes are available in your choice of #2, #3, #4, #5, #6, #7, #8, and #10 sizes. 
Sort by
List per page  


G&K Glassline Envelopes, #10, 100 Envelopes

G&K Glassline Envelopes, #10, 100 Envelopes. Made from transparent virgin 30# glassine with ungummed flaps.

Home | About | Policies | Glossary | Charity Seals | Albums | Packets | Postcards | Labels | Stocks | Blog | Contact

Please read our Policies regarding Privacy, Cookies, Sales Tax, Payment, Shipping, ReturnsTerms and Conditions

U.S. Christmas Seals: Printers, Printer Marks, & Union Labels, Artists
Canada Christmas Seals: Printers, Printer Marks, Union Labels, Artists

This store is dedicated to the memory of Catherine J. Kozersky

This page and all contents are Copyright - 2009-2020 William J Kozersky, Philatelist
William J Kozersky Stamp Co. & William J Kozersky, Philatelist are marks owned by William J Kozersky
Christmas Seals is a Registered Trademark of the American Lung Association
Designated trademarks and brands are the property of their respective owners.