Freeze an Envelope to Remove a Stamp
The finger nail polish suggestion worked great. They are not sticky, but glue sticks work great. The freezer trick nor the steam trick worked as well as the finger nail polish!
Freeze an Envelope to Remove a Stamp
Ive had my envelopes in the freezer for nearly 9 months. Took them out to try to get the stamps off with no luck. However, the below comment about the fingernail polish remover worked great!