LONDON.- The top-selling lot of the November Sales of Russian Art in London was Alexander Yakovlev’s 1926 oil on canvas The Kuli-Kuta Dance, Niamey, which sold for the within-estimate sum of £937,250 (Est. £800,000-1,000,000**). Two new artist records established for Mikhail Alexandrovich Vrubel with The Assyrian (lot 23, est. £30,000-50,000) and Igor Emmanuiovich Grabar with Delphiniums (lot 25, est. £150,000-200,000), each of which sold for the sum £181,250. Combined, all five November Sales of Russian Art in New York and London established a solid sell-through-rate by lot of 64%. Discussing the results of Sotheby’s Russian Art Sales in London this November, Jo Vickery, Senior Director and Head of the Russian Art department, said: “With this sales series in London we have witnessed