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

Worldwide Zeppelin Flights - Soviet Union

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Start price: $100

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1930 (September 10-11), Moscow Return Flight postcard to Germany, franked by four adhesives, tied by Moscow special ”10-IX-30” ds, two-line violet Flight cachet, Friedrichshafen ”11.9.30” arrival marking, VF and scarce non-Zeppelin franking postcard, Sieger #85D, Est. $150-$200, Sc. #388, 412 x2, 421