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

Worldwide Zeppelin Flights - Germany

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Start price: $200

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1931 (July 24-27), North Pole Flight cover, franked by Zeppelin POLAR FAHRT 1931 4m black brown, tied by Friedrichshafen ”24.7.31” ds, red Flight cachet, Ice- Breaker ”Malygin” drop marking of July 27, VF, Sieger #119, €1,100, Est. $350-$400 , Sc. #C42