The film about Marilyn I did was a film called " My Week with Marilyn" and it was, I believe a true story, maybe apocryphal, but it was when she was making " The Prince and the Showgirl."
They speculated that Mona's smile had driven the thief mad, they wrote art thief fan fiction, and they constantly daydreamed about " Mona Lisa's" whereabouts.
Cowboys may have invented the stories. Others say Edward O'Reilly invented the character in stories he wrote for The Century Magazine in the early nineteen hundreds.