Sir Alfred J. Munnings, Changing Horses, 1920, oil on canvas © 2006 Carnegie Museum of Art, Pittsburgh. Photo: Richard Stoner » Sir Alfred J. Munnings, Changing Horses, 1920, oil on canvas © 2006 Carnegie Museum of Art, Pittsburgh. Photo: Richard Stoner

Sir Alfred J. Munnings, Changing Horses, 1920, oil on canvas © 2006 Carnegie Museum of Art, Pittsburgh. Photo: Richard Stoner