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

Worldwide Zeppelin Flights - Bolivia

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Start price: $100

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1932 (April 9-13), 2nd Return SAF card and cover from Cochabamba to Germany, franked by 17 (10 – on reverse) or 26 (20 – on reverse) stamps respectively, green Flight cachet, Friedrichshafen ”13.4.32” arrival ds, VF, card with B. Moorhouse certificate, Sieger #146, Est. $150-$200, Sc. #189, 199