Klimt and Basquiat sales could help Sotheby's smash London record

Auction of impressionist, modern and surrealist art next month has combined pre-sale estimate of nearly £400mWorks of art with a combined upper estimate of nearly £400m, representing one of the highest-value auctions to be staged in London, have gone on display.The works include one of the few paintings by Gustav Klimt in private hands, a 1907 garden landscape estimated at $45m (£36m); and an important Jean-Michel Basquiat work that went under the hammer in 1987, a year before