Lot 1181
 
United States 1928 Bodensee Trial Return Flight, Oct. 31, Radolfzell drop (Sieger 21l), Zeppelin-Eckener picture postcard franked by U.S. 5¢ definitive tied by Rudolfzell cancel, red 31 Oct on-board cachet, manuscript "by German air mail L.Z.127". F.-V.F. Unusual. Sieger €500 ($550).
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| Realized $180 |
