Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Saar - Zeppelin Flights - 1931 (July 24-27), North Pole Flight postcard, franked by three stamps, including Madonna 10fr brown, tied with Saarbrücken ds, Friedrichshafen ''24.7.31'' connection, red confirmation cachet and Ice Breaker ''Malygin'' drop on July 27, VF and scarce, Sieger #119F, C.v. €450 w/o a premium for franking, Scott #119, C2