Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - United States - FIRST AND PIONEER FLIGHTS POSTAL HISTORY SELECTION: 1920- 35, 15 covers, including Chicago - St. Louis Flight of 1920, Still River - Greenfield common mail franked by No. C5, First Flight Chicago - Mexico (1928), Inauguration Flight Bay City - Cleveland (1929), various Air Conferences and Meets at Ames, Pasco, Selma and etc., Catapult Flight from SS ''Stuttgart'' (1930) and more, occasional flaws possible, generally F/VF, Est. $300-$400