Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Danzig - Zeppelin Flights - 1928 (October 11-15), America Flight stationery postcard 1.25m blue, uprated by two air post values, tied by oval ''4.10.28'' date stamp, blue confirmation marking and NYC ''16.OCT.1928'' arrival marking, VF and scarce, Sieger #21, C.v. €650 w/o a premium for franking, Scott #C26, C3