Would the post office suspect something if .......

Question

rip off the address tag and put another sticker on it but use a different stamp will they think i reused the stamp cause i dont have any envlopes at all and im skint right now

Answer 1

no i dont think you will have a problem because of the postmark

but what i do when im in situations like this is just take a peice of paper, fold it in half, staple, tape, or glue down the sides and voila instant envelope!