Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Hungary - Zeppelin Flight - 1932 (October 24-27), 9th South America Flight registered cover to Brazil, franked by 14 values, including complete Personalities set of 1932, red flight marking, Rio ''28.X.32'' receiver, mostly VF, Sieger #195, Est. $250-$300, Scott #468-79, C17