Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Soviet Union - Zeppelin Flights - 1932 (August 29 - September 1), 5th SAF postcard to Brazil, franked by three Airships adhesives, cancelled Moscow on August 22, Berlin transit and Friedrichshafen connection, violet confirmation cachet, Pernambuco ''1.IX.32'' arrival ds on reverse, VF, Sieger #171, Scott #C21-23