Zeppelin Flights. SPAIN - ZEPPELIN FLIGHTS: 1930 (May 18-25), South America Flight postcard and cover, franked by one or five values, tied by Seville ''16.MAY.30'' or Seville ''19.MAY.30'' ds respectively, red or carmine confirmation markings, each one with oval Rio ''25.MAI.1930'' arrival, mounted on pages from a Collection, mainly VF, Sieger #58, var, Est. $150-$200 (Image)