Lot 2511
 
United States 1933 Chicago Flight, Friedrichshafen - Friedrichshafen (Michel 355Ca), cover with 50¢ Zeppelin (C18), block of four with plate #, about Friedrichshafen, cancelled New York duplex handstamp, Oct 2, day of issue, German and U.S. flight cachets, backstamped green Friedrichshafen Zeppelin receiver and New York duplex Nov 18 to addressee, Fine-Very Fine.
Estimate 300 - 400
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| Realized $325 |
