Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Netherlands - Zeppelin Flight - 1933 (May 6-10), 1st SAF cover from Amsterdam to Brazil, franked by 7 adhesives, Friedrichshafen connection, blue confirmation cachet and Rio de Janeiro ''10.MAI.33'' arrival ds, mostly VF, Sieger #202, Est. $150-$200, Scott #195, 196-99