Iceland flight 1931, Icelandic post, registered letter with all three Zeppelin special stamps complete and registered label AKUREYRI, the franking as usual used Reykjavik 30.6, flight stamp on face, lateral file punch holes closed, small dismantled the reverse flap, arrival Friedrichshafen 3.7, further to Flensburg with arrival 4.7, one of the few documents, that are not Reykjavik dispatched were (winner 114 A-D)