Stories Warner Bros music executive’s collection could fetch $120m during New York’s May auctions Posted on April 11, 2023 by artNews Featuring works by Magritte and Twombly, the Mo Ostin sale at Sotheby's is the latest high-profile single-owner sale this spring Derrick Adams’s unicorns are taking over Chicago Nicholas Serota with two faces: Steve McQueen’s portrait of Arts Council supremo will go on show at London’s National Portrait Gallery