Danzig, 1932, Zeppelin Danzig Flight. Attractive card franked with C31-35, tied by Danzig-Langfuhr 30.7.32 cancels, with green Luposta-Danzig 1932 flight cachet and Friedrichshafen receiver on reverse, Very Fine and choice. Michel No. 231-235. Sieger No. 170.B). Scott No. C31-C35  Estimate $150 - 200. $0 (Image)