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: $100

Buyer's premium:

1934 (September 27), Switzerland Round Flight postcard (Zeppelin in Flight) to Pforzheim, franked by five stamps, cancelled on board, mostly VF and scarce, Sieger #0276, €300, Est. $150-$200 , Sc. #442-43