A bidder looks at a catalog showing Tiziano Vecellio's (known as Titian) painting "A Sacra Conversazione: The Madonna and Child With Saints Luke and Catherine of Alexandria" during Sotheby's Important Old Masters Paintings sale in New York, January 27, 2011. The painting sold for $15,000,000. REUTERS/Mike Segar (UNITED STATES - Tags: ENTERTAINMENT SOCIETY)