Sotheby’s London Contemporary Day Sale = £16.5m February 13, 2014 by Marion Maneker Zao Wou-ki, 15.11.88 (300-400k) 746,500 GBP Gunther Uecker, Sonnenuberflutung (200-300k) 506,500 GBP Francis Bacon, Streetscape with Colonnade (150-200k) 470,500 GBP Andy Warhol, Dollar Sign (180-250k) 362,500 GBP Aligheiro Boetti, Senza Titolo (170-200k) 302,500 GBP Zao Wou-ki Untitled (50-70k) 176,500 GBP More from Art Market MonitorJohn Thain, Meet Jack StrawGermany Compels Buccaneering Antiquities Dealer to Return Two Works to MexicoChina Has 63.5k HNWI with $15m or MoreLa-La-Lalanne!Can Burning Man Raise the Level of Its Art?Christie’s Unveils $35m Twombly Leda & Swan for May