Viktoria Louisa 1912, special excursion at the 7.11. Organizes from committee the National Flight contribution Frankfurt - Wiesbaden - Frankfurt, printed form-envelope "German airship aviation AG" in rare use in lieu of the for these special event planned airmail special postal stationery card with flight stamp 7.11, vertical crease in the middle, addressed to the". Airship aviation AG" in Frankfurt with 5 Pfg Germania as local letter postage, the post became that day not over Wiesbaden droped, there no post office clerk present was, and again return to Frankfurt and on regular way to the goal transported, very unusual variety, ex Kofler (winner 4 / 16 Ac)