Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Liechtenstein - Zeppelin Flights - 1931 (August 29-31), 1st SAF postcard, franked by three stamps, including the high value (2fr) of the Royal couple and two air post adhesives (total C.v. $340), tied by Triesenberg ''21.VIII.31'' ds, Friedrichshafen connection, green confirmation cachet and Cape Verde ''31.AGU.31'' arrival marking, mostly VF and scarce high values franking, Sieger #124, Est. $200-$250, Scott #107, C4-5