Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Saar - Zeppelin Flights - 1930 (September 23-24), Baltic Sea Flight postcard, franked by four stamps, tied by Saarbrücken ds, green confirmation marking and Stockholm ''24.9.30'' arrival ds, some scuffs on reverse mentioned just for a record, otherwise VF, Sieger #88C, Scott #C1-2