So I'm a bit superstitious. I have a two-sided Bodog card cap (my favorite of the three I carry and use), which I occasionally flip from red to black as I play to try and get out of a bad run of cards.
Once in a while, perhaps once a month, I'll look through a stack of bills I receive and see if there are any interesting serial numbers, for potential use in dollar poker or some other shenanigans.
This morning I went to fetch some hundreds out of a lockbox I have for paying for this Sunday's $1,500 HORSE tourney. The first bill I looked at, as photographed a little while ago by F-train:
That's a keeper!