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: $150

Buyer's premium:

1928 (October 11-15), America Flight cover to US, franked by 4m black brown, cancelled by Friedrichshafen ”7.OKT.28” ds, blue oval confirmation cachet, NYC ”Oct.16.1928” drop marking, VF and scarce, Sieger #21g, €850, including €100 premium for Zeppelin stamp franking, Est. $250-$300, Sc. #C37