Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Gibraltar - Zeppelin Flight - 1933 (July 1-3), 3rd South America Flight registered postcard to Argentina, franked by three King George V values, tied by oval ''24.JU.1933'' markings, red Berlin- Friedrichshafen connection and blue flight cachet, Buenos Aires arrival ds on reverse, F/VF, Sieger #219, C.v. €400, Est. $300-$350, Scott #76, 84, 99