Peel stamp envelope cleaned the trick is
Stamp collecting is fun collecting stamps of various countries and regions.
If the unused if kept intact, album is good, if used, You must はがさなければ the envelope cleaned.
It is a once in a while, envelopes and warm good はがせば stamps.
If the unused if kept intact, album is good, if used, You must はがさなければ the envelope cleaned.
It is a once in a while, envelopes and warm good はがせば stamps.
Summary
Stamps ちぎれない, so politely, Peel with tweezers.
Wet stamp falls under dry, paste in the glass. Surprisingly easily so you can try it.