1929 (April 23-25), Mediterranean Sea Flight two postcards to Sweden or Spain, first one is stationery card uprated by 3 values, the other one franked by 6 stamps, both tied by Vienna ''19.IV.29'' ds, Friedrichshafen connection and red flight cachet, the last one dropped at Seville ''25.ABR.29'', Sieger #24 var, Seville drop is not listed, Frost #127-19, C.v. $1,200, in addition 3 newspaper clippings about Austrian Flights (Image)