Sotheby's OM Drawings: £4.945m (July 2010) July 6, 2010 by Marion Maneker More from Art Market MonitorSotheby's OM Highlights (July 2010)Master BlasterSotheby’s London Old Master Evening HighlightsSotheby’s London Old Master Eve = £32.3mSotheby’s Old Master Drawings = £6.8mSotheby's London Old Master = £47.64m PrintTweet