Commemorative air mail cover, 6.5 x 3.5, postmarked October 27, 1931, Wheeling, W.Va., signed by eleven pioneers in the aviation field, including: J.H. Doolittle, Eddie Stinson, E.W. “Pop” Cleveland, Howard F. Rough, John Callings, Geo. Haldeman, Cliff Henderson and four others. Even faint toning, a bit of trivial soiling, otherwise fine condition. R&R COA.
