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

Worldwide Zeppelin Flights - Switzerland

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Start price: $100

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1932 (July 30-31), Danzig Flight stationery postcard 10(c) red, uprated by two German adhesives, tied by Friedrichshafen ”30.JUL.32” connection marking, blue Flight cachet and Rønne ”31.7.32” arrival ds, VF, Sieger #169 var (mixed franking is not mentioned in Sieger), Est. $150-$200