In 1992, Jim Carrey was a broke, struggling comedian. He drove to a hilltop overlooking Hollywood and wrote himself a check for $10 million.
He dated it Thanksgiving 1995 and wrote "for acting services rendered" in the memo line. He kept it in his wallet for years.
Just before that date, he was paid $10 million for Dumb and Dumber.
When his father died, Carrey slipped the deteriorated check into his coffin.