Ha! That's cool. I always feel like people (including cashiers) think I'm handing them fake money with the $2 bills. Though, with Santa's picture on it, I don't think I'd want to give it away. But how nice to come across him randomly throughout the year when someone gives you change.
I just bought my brother-in-law a brandy snifter made of banded calcite from the gem show. So I have officially started Christmas shopping!