Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Switzerland - Zeppelin Flights

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Start price: $100

Buyer's premium:

1931 (June 6), Magdeburg Return Flight postcard from Romanshorn to Budapest, franked by two air post values, Magdeburg violet connection marking, red Flight cachet, Friedrichshafen ”7.6.31” arrival ds, mostly VF, Sieger #109 var, Est. $150-$200, Scott #C10-11