United States 1929 Jimmy Doolittle Signed Army Air Maneuvers Ohio Flight Cover. Doolittle at left, no backstamps, attractive. Doolittle of the famed “Doolittle Raid” on Japan in World War II was also one of the most renowned American pilots of the inter-war years, completing many coast-to-coast flights and competing in a number of aviation races. Member of the Canadian Stamp Dealers Association, American Stamp Dealers. Association, & Philatelic Traders Society. Are the sole responsibility of the purchaser. Our Guarantee to You… We’re proud to offer collectors an attractive selection of fine and rare stamps, postal history, and ephemera. We seek out quality material for our clients. _gsrx_vers_1436 GS 9.0.5 (1436).