Money Report In partnership with Business Most Expensive Art Collection Ever Sold Comes to Auction at Sotheby’s With $600 Million Estimate By Robert Frank, CNBC • Published 1 hour ago • Updated 24 mins ago Courtesy: Sotheby’s The Macklowes’ art collection, which includes works by Mark Rothko, Andy Warhol and Alberto Giacometti, will be auctioned by Sotheby’s. Valued at about $600
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