Zeppelin Flight. 1930 (May 24- June 6), First Europe-Pan American Flight, two pages from a Collection, containing two covers and two postcards, each item franked by two Zeppelin stamps, placed on board at Recife, delivered to Lakehurst (1) or Friedrichshafen, violet American and two different types of Bolivian confirmation cachet, appropriate arrival markings, covers somewhat ageing, postcards - VF, Est. $500-$600 (Image)