"After that last customer so rudely tossed me into these trash cans, I decided to investigate some new potential items to sell. It was an exhausting (and stinky) search, but I managed to find something of interest. It appears to be some sort of old coin. It's got some odd ridges. There's something written on the front. C-O-C-A ... it's a bottle cap."
Better luck next time Chester. Keep searching.
Art by sharpdressedreptile