Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - United States

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Start price: $100

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FIRST OFFICIAL MISSILE MAIL: 1959, pre-printed publicity cover from The Postmaster General from the U.S.S. Barbero, franked by 4c dark blue and deep carmine, tied by official cachet without date, this cover is one of 100 prepared for distribution to the Press with appropriate text on reverse, VF, Est. $150-$200, Sc. #1094