Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Italy - Zeppelin Flight - 1933 (October 14-17), Chicago Flight postcard to Brazil, franked by 3 stamps, including 2 air post values, tied with Milan ds, Friedrichshafen ''14.10.33'' connection, red confirmation cachet, Pernambuco ''17.X.33'' arrival marking, VF, Sieger #238Aa, €750, Scott #C17-18