A Van Gogh work of art that hasn't been seen by the public in four decades is now on display at the National Gallery of Art in Washington, D.C.<br/> <br />The Dutch master's sweeping "Green Wheat Fields, Auvers," is believed to have been painted in France, just weeks before Van Gogh's suicide in 1890.<br/> <br />It belonged to Van Gogh's brother, Theo, before being sold to a German collector whose son sold it to Paul Mellon in 1955. It remained in the Mellon's Virginia home, until now.<br/> <br />The public last saw it during an exhibition devoted to works owned by the Mellon family in 1966.
