Doolittle, Jimmy, American pioneer aviator and soldier (1896-1993); led the historic "Doolittle Raid" against the Japanese main islands during World War II; helped champion the formation of the US Air Force. Air Mail Cover Signed "J.H. Doolittle" vertically along left edge. Postmarked Washington, 7/25/1932. In good condition. With related FDC. Estimate $75 - 100. Est. $75-100 (Image)