Sotheby's OM Drawings: £4.945m (July 2010) July 6, 2010 by Marion Maneker More from Art Market MonitorLondon Old Master Sales = £37mSotheby’s London Old Master Evening = £68.3m ($117m)Sotheby’s London Old Master Evening HighlightsSotheby’s London Old Master Eve = £32.3mSea Battle Makes £5.3mSotheby’s Old Master Drawings = £6.8m