cover 1930, Zeppelin flight cover, cacheted Zeppelin flight card (South America Flight) from Rio de Janeiro to the U.S. with printed cachet, franked with 200r Olive Green (305) and 5,000r Green Graf Zeppelin adhesive (RHM no. Z7), tied by CONDOR 24 MAI 30 special flight cachets, green Zeppelin arrival flight cachet on front, very fine not illustrated est.