Christie's Russian Art and Works of Art Results April 24, 2009 by Marion Maneker More from Art Market MonitorZwirner to Represent Sigmar Polke EstateHockney Exhibits His iPad DrawingsI Like to Move It, Move ItNot the Usual Art Loan PostArt AttackRM Sotheby’s Sets Auction Record with $48m Ferrari; Pebble Beach Sales Reach $368m