Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Germany - Zeppelin Flight - 1929 (November 2-3), Dübendorf and Böblingen Flights postcard to Lausanne, franked by three values, cancelled on-board, bearing two red confirmation markings of 2. NOV.1929 and 3.NOV.1929, boxed ''Mit Luftpost...'' and Böblingen drop ''3.11.29. 13-14'', arrival ds is on reverse, mostly VF and rare, Sieger #45e, €800, Scott #379, C27 x2