Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Netherlands - Zeppelin Flight - 1932 (June 19), Netherlands Return Flight postcard, franked by four adhesives, tied by Zaandam ''16.VI.31'' ds, delivered from Enschede to Friedrichshafen (machine marking of June 19) with blue Flight cachet, mostly VF, Sieger #164