A top-ranking member of the Japanese mafia jumped to the head of UCLA's liver transplant list by giving them $1M. Um.
In 2007, an artist in Seattle made a counterfeit penny out of gold, clad in copper, and put it into circulation. He was fascinated by the idea of a counterfeit worth more than what it pretends to be. Then, this summer, it turned up again. (As bad pennies are said to do.)