A 1915 Gustav Klimt landscape, looted by the Nazis and recently returned to the owner's grandson, has sold for $US40.4 million at an auction in New York.
Litzlberg on the Attersee was returned to Georges Jorisch, 83, by the Museum of Modern Arts if Salzburg in July.
The painting of a lake in western Austria, was originally owned by Austrian iron magnate Viktor Zuckerkandl before being passed on to his sister, Amalie Redlich, when he died in 1927.
She was deported in 1941 and never heard of again. The BBC reports her art collection was seized by the Nazis and sold.