I guess that's one term I could use for the gunk I saw caked on the floor when they moved the CoinStar in Food Lion.
Usually just bad timing. I sent my son back in to the foyer once to collect about 15 bucks, that was when he was younger, Maybe I am battling him.
1968 cinco centavos on the shelf with a few brownies, one I tossed and the other 2 cleaned up. NGC claims this is worth .20 cents in VF and .50 in XF (it's not XF but it is in very nice shape, in hand, crappy photo.) She will put it on a piece of jewelry.