NEW YORK, N.Y. (REUTERS).- A landscape painting by Austrian artist Gustav Klimt that had been stolen by the Nazis is expected to fetch more than $25 million when it is sold at auction next month, Sotheby’s said on Thursday. “Litzlberg on the Attersee,” which was returned to the heirs of its Austrian owner, will be the main attraction at the November 2 sale of Impressionist and Modern Art in New York. “Klimt’s landscapes are now considered to be one of the great icons of modern art,” Simon Shaw, Sotheby’s New York head of Impressionist and Modern Art, said in an interview. “They are one of the most recognizable images and their appeal is truly a global one.” The work gained international attention earlier this year when Austria’s Museum der Moderne Salzburg agreed to return the work to George Jorisch, the grandson of its owner. The decision followed a 2002 accord struck with Jewish organizations and