Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Danzig - Zeppelin Flight - 1932 (July 31-August 1), Danzig (Luposta) Return Flight postcard to Germany, franked by complete surcharged air post set of five, green Flight marking, Friedrichshafen machine ''1.8.32'' arrival ds on reverse, VF, Sieger#170B, €160 without a premium for franking, Est. $100-$150, Scott #C31-35