Ever heard the rumor that a check written on the side of a cow can be used as legal tender? Well, for starters, its an urban legend. But the myth got its start in 1967 after the Memphis Press-Scimitar published a story with the headline: A CHECK CAN BE WRITTEN ON A COW.
Apparently, some intrepid reporter had seen a fictional TV show on the BBC, and took its plot a little too seriously. The show, Misleading Cases, featured a character named Albert Haddock, who attempted to pay his income tax by writing a check on a cow.
For more on this and many other urban legends, go here.