d2dd4b77___Stamp_Collecting_Accessories__Description
[Accessory] Glassine Envelopes [Price Range] $5 per 50 for 4-inch envelopes [Description] 
Glassine paper envelopes are especially suitable to store stamps due to the resistive property of wax. The nemesis of stamps - moisture, air, and any type of grease are barred for the most part. They come in a variety of shapes and sizes. It is a public secret that the majority of collectors use glassine envelopes as an interim storage place.
One Family's Blog: Stamp Collecting Accessories
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