Bidspirit auction | Worldwide Aerophilately - Hungary

Worldwide Aerophilately - Hungary - March 29-30, 1931, Hungarian Zeppelin Return Flight cover to Vienna, franked by three values, including complete Zeppelin set, green confirmation cachet and Friedrichshafen ''30.3.31'' arrival marking, mostly VF, Sieger #103c, €250 , Sc. #C24-25