By Leonardo da Vinci - Getty Images, Public Domain, https://commons.wikimedia.org/w/index.php?curid=75787921 Maybe it's the rain and gloom, but Annie Dugan's thoughts are turning to the dark side of art these days. Chances are, if you pay $450 million dollars for a painting by Leonardo da Vinci, you expect it to actually be painted by da Vinci. Find out more about the disappearing Salvator Mundi here: