Like most everyone else we keep our stamps an envelope in the junk drawer. Mostly forever stamps but the other day I realized we had a bunch of oddball one and two cent and some 23 cent postcard stamps. I started using those as a joke just to get rid of them. Sometimes I get 10 or 12 stamps on one envelope. I laugh when I think about some poor slob at PO having to add all my stamps up to make sure I'm not cheating them out of a penny.