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Jean-Michel Basquiat's untitled painting of a skull is displayed behind an official with Sotheby's, which offered the media a preview earlier this month. On Thursday, the work sold for $110.5 million — the highest sum ever paid at auction for a work by a U.S. artist. Don Emmert/AFP/Getty Images hide caption

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Don Emmert/AFP/Getty Images

St. Jerome was previously thought to have been painted by a 16th century Italian artist. According to a complaint filed by Sotheby's auction house, it is actually a modern fake, painted in the 20th century. Sotheby's hide caption

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Sotheby's