Lot 4161
 
Germany 1928, Swabia Flight (Michel 8 b), DELAG postcard dropped over Konstanz: Red on-board cachet 8.10.28, 10 Pfg airmail and 8 Pfg definitive tied Konstanz 8.10.28, additional red airmail cachet. Very Fine. Sieger 021VI.b €650 ($700).
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| Realized $230 |
