New York Antiquities = $21.67m June 14, 2011 by Marion Maneker More from Art Market MonitorThe Strange Case of Christos TsirogiannisChristie’s NY Antiquities = $13.2mOnline Bidders Drive Sotheby’s NY Antiquities to $31mLack of Supply Creates Demand in AntiquitiesAntiquities Go to TEFAFChristie's Antiquities = $34m