Lot 1993
 
1930 S. America Zeppelin flight cover (Sieger 64 III), Lakehurst-Friedrichshafen return, dual-cacheted card franked with 85¢ in Canal Zone airmails, tied Critobal, May 22, and by U.S. 65¢ Zeppelin (C13), tied New York, May 29, Friedrichshafen receiver at lower left, Very Fine. Sieger €1,600 ($1,730).
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| Realized $1,150 |
