Untitled 1 (detail), by US artist Julie Mehretu. Est: $600,000 - 800,000. Sold for: $1,022,500 (£652,562) (€767,285). Photo: Sotheby's. LONDON.- Sotheby’s sale of selected works from the distinguished Neuberger Berman and Lehman Brothers Corporate Art...

BackYard (detail) by American artist Jeff Koons, part of the "Mapping The Studio" exhibition at the Palazzo Grassi and the new Punta della Dogana. EFE/Andrea Merola VENICE.- On June 6th 2009, Punta della Dogana, the new art center for contemporary art...