Bidspirit auction | Germany: 1929 15/05 Zeppelin Graf

Germany: 1929 15/05 Zeppelin Graf Flight Cover to NYC 4M Zeppelin (Mi 424, Scott C37) tied by Friedrichshafen 15.AUG.29 cancels, usual flight cachets, backstamped Los Angeles Aug 2 - Germany: 1929 15/05 Zeppelin Graf Flight Cover to NYC 4M Zeppelin (Mi 424, Scott C37) tied by Friedrichshafen 15.AUG.29 cancels, usual flight cachets, backstamped Los Angeles Aug 2