Sotheby’s, a Prized Art Client and His $47.5 Million da Vinci Markup
- Auction house worked with buyer, seller in contested art deal
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On a mid-March day in 2013, a package arrived at the Manhattan penthouse belonging to the family of Russian billionaire Dmitry Rybolovlev.
Inside was a discovery said to be worth upward of $100 million: the Lost Leonardo.