Аукцион Bidspirit | Liechtenstein - Zeppelin Flights

Liechtenstein - Zeppelin Flights - 1931 (August 18-20), England Round Flight postcard, franked by five Landscapes stamps, tied by Vaduz ''17.VIII.31'' ds, Friedrichshafen ''18.8.31'' connection and violet confirmation cachet, mostly VF, H. Sieger certificate, Sieger #122, Est. $100-$150, Sc. #96b x2, 99b, 101, 102