Guardhouse Glassine Envelopes are an essential item for any stamp collector.
These envelopes are made of a PH neutral, semitransparent paper that contains no harmful chemicals, making them safe for stamps and other collectibles.
The envelopes are water, air, and grease-resistant, making them ideal for protecting photos, negatives, artwork, and more.
Guardhouse Glassine Envelopes are c…

Guardhouse Glassine Stamp Envelopes are a pack of 100 envelopes that are designed to protect stamps, coins, photos, negatives, invitations, artwork, gift packets, seeds, crafts and more.
Made of a PH neutral, semitransparent paper with no harmful chemicals, these envelopes are water, air and grease resistant.
They are carefully constructed with flaps folded on the exterior of the envelope…

Guardhouse Glassine Stamp Envelopes in size #4 (3 1/4" x 4 7/8") are a cost-effective solution for protecting your stamps, coins, and other collectibles.
Made from a pH-neutral, semitransparent paper, these envelopes are free from harmful chemicals and feature un-gummed flaps.
The exterior flaps are carefully folded to ensure a smooth interior pocket surface that won't catch on your stamp…

Guardhouse Glassine Stamp Envelopes are a pack of 50 envelopes that are perfect for protecting stamps, coins, photos, negatives, invitations, artwork, gift packets, seeds, and crafts.
Made of a semitransparent paper that is PH neutral and free from harmful chemicals, these envelopes are water, air, and grease resistant.
The flaps are folded on the exterior of the envelope, providing a smo…