Buy Stamp — Mounts
Extremely easy to insert and remove stamps; "breathes" better.
There are two primary styles, and the "best" one depends on your patience for alignment. Description Sealed at top and bottom; opening in the center back. Holds stamp very securely; impossible for it to fall out. Can be harder to insert stamps; may buckle if too tight. Top-Loading Sealed at the bottom only (open on three sides). buy stamp mounts
How to Soak, Sort, and Store Stamps? - American Philatelic Society Extremely easy to insert and remove stamps; "breathes"