He was a keen art collector , and several of his other paintings and sculptures will feature in Christie 's New York sales on May 1 and 2 . Study for Paul Cezanne 's ` ` The Card Players '' found among Texas art collector 's paintings . Sketch was only known through an old photograph ; not seen since then , feared lost . Finished paintings in the series now hang in some of the world 's best - known museums . Experts say the series is likely to sell for $ 15 to $ 20 million at auction on May 21st .
Study for Paul Cezanne 's ` ` The Card Players '' found among Texas art collector 's paintings . Sketch was only known through an old photograph ; not seen since then , feared lost . Finished paintings in the series now hang in some of the world 's best - known museums . Experts say the series is likely to sell for $ 15 to $ 20 million at auction on May 21st .