Two items: FDC with a cachet honoring the 10-cent airmail stamp, signed by aviator Glenn L. Martin and US Postmaster General Jesse M. Donaldson; and an air mail envelope sent from the 1929 Los Angeles air show, signed in fountain pen, “Earle Ovington, First U.S. Air Mail Pilot (1911).” Accompanied by an unsigned 1928 air mail envelope with a horseshoe-shaped stamp, “Lindbergh Again Flies the Air Mail” and a cover honoring the 1930 flight of Dieudonne Costes and Maurice Bellonte from Paris to New York. In overall fine condition. RRAuction COA.
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