Wilson Mizner was once married to Myra Moore Yerkes, an enormously wealthy woman who happened to own a multi-million-dollar art collection. One day Mizner, in desperate need of cash, pulled a depiction of The Last Supper from the living-room wall -- and sold it.
His wife, understandably irate, demanded to know what had happened to the masterpiece. "Some masterpiece," Mizner snorted. "I only got fifty bucks a plate!"
[A similar story is told of Joey Frisco.]