Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Liechtenstein - Zeppelin Flights - 1930 (May 18-31), South America Flight cover to NYC, franked by seven stamps including six Palace and Church of Vaduz 1½ fr blue (C.v. $660 as for stamps off cover), cancelled with Triesenberg ''15.V.30''ds, red confirmation cachet, Lakehurst ''MAY.31.1930'' arrival marking, mostly VF and scarce franking, Sieger #57, C.v. €375 plus significant premium for franking, Est. $250-$300, Scott #67, 80