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

Worldwide Zeppelin Flights - French Morocco

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Start price: $350

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1933 (May 6-9), 1st SAF registered cover from Tanger to Brazil, franked by nine stamps (three – on reverse), including four air post values, cancelled by Tanger ”28-4.33” date stamps, Friedrichshafen ”6.5.33” connection and blue confirmation cachet, Pernambuco ”9.V.33” arrival hs on the back, mostly VF and very scarce, Sieger #202, Est. $600-$700, Sc. #C14-18