
to the family cwp. You've asked a tough question that has a complicated answer and has been talked about a lot in the philatelic press and elsewhere. Here is a link to another post that might give you some insight.
https://goscf.com/t/1500&SearchTerms=scissorsThe most recent U. S. self-sticking stamps don't have a water soluble paper backing so you can't readily soak them free of the paper. Earlier issues do have the layer and can be soaked off. I use lukewarm water myself.