James Montgomery Flagg Help Him to Help U.S.! 1918. Decked out as Uncle Sam, the artist holds a horse’s bit as he asks for the viewer’s aid. Although motorized vehicles came of age during the Great War, millions of horses were still used as beasts of burden and suffered equally with the the men they served. Rare 33×23 near mint, conservation backed.
Bibliography: Walton Rawls Wake Up, America! page 236.