Lot 76 POSTAL HISTORY - ZEPPELIN FLIGHTS

1928 (23rd October) LZ127 1st USA to Germany Flight USA 1c green postal stationery card uprated with 54c defins tied GLEN RIDGE 23 OCT cancels to Friedrichschafen with part violet FIRST FLIGHT AIRMAIL OCTOBER 28 1928 cachet alongside. Sieger 22a.