| Lot 2453 
 
   
 Germany 1931 Polar Flight, Friedrichshafen - Leningrad, card franked with 1m Polar flight Zeppelin (C40) tied by onboard c.d.s., 25 July, red flight cachet, Leningrad receiver, 25 July, and Leningrad-Berlin airpost postmark, 27 July, as receiver upon delivery to addressee, Very Fine. Michel 203c.
 Michel €400 ($430)
 
 
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               | Realized $230 |