Lot 1874
 
$2.60 and 65¢ Graf Zeppelins (C15, C13), tied by New York mcanc (28 Apr.) on dual-cacheted Zeppelin cover flown Friedrichshafen - Lakehurst, backstamped green Lakehurst Zeppelin receiver (31 May), signed by Dr. Hugo Eckener, F-VF. Michel 66Gc.
Estimate 400 - 600
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| Realized $525 |
