in 1971. Alexander Calder, also known as Sandy Calder, was a leading American sculptor and artist most famous for inventing the mobile. In addition to mobile and stabile sculptureS, Alexander Calder also created paintings, lithographs, toys, tapestry and jewelry. Alexander Calder's Flower litho will be sold at Hargesheimer & Günther Kunstauktionen in Düsseldorf Germany. Auction date is Friday, May 21st 2010.