Los-Nr. 434

Treaty Mail Liechtensein: 1931, "EUROPA"-New York, card from Vaduz on the "Graf Zeppelin" to Lusanne, connecting with catapult flight to New York, with special framed blue cachet "DEUTSCHER SCHLEUDERFLUG 18.6.31 DAMPER 'EUROPA' NEW YORK", 1 fr. stamp deep scissor cut, otherwise fine (Haberer-Nr. 50 Li)