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

Worldwide Zeppelin Flights - Vatican City

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Start price: $250

Buyer's premium:

1933 (May 29-30), Italy Flight postcard to Friedrichshafen, franked by two values, cancelled ”28.5.33” at Vatican City, uprated by Italian Zeppelin stamp of 3L, tied by machine Rome ”29.5.33” ds, blue flight cachet, green Friedrichshafen ”30.5.33” special Zeppelin marking, VF and scarce, Sieger #208 Vh, €750, Est. $400-$500, Sc. #10, 14