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

Worldwide Zeppelin Flights - Liechtenstein

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Start price: $120

Buyer's premium:

1932 (June 28), Switzerland Flight (250th Zeppelin Flight) postcard, franked by four air post values, tied by blue special marking, the same day Friedrichshafen connection and Vaduz arrival of June 28, VF and scarce, Sieger #166, €350, Est. $200-$250, Sc. #C2-4