Art & Photography
Lyonel Feininger's Sails painting achieves 299% increase at Sotheby's
Lyonel Feininger's Sails is among the last paintings the German artist produced
Unauthenticated Lyonel Feininger painting to auction on January 1
The unauthenticated painting by Lyonel Feininger carries an unusual $10,000-10m estimate