Italy flight 1933, return flight, Vatican post, additional franked 75 C postal stationery card with 2, 50 L Pius from Vatican 28.5. As pure Vatican franking, without any Italian additional franking or Zeppelin special stamps as extremely scarce variety, blaugr++nerer flight stamp, transit special cancellation Rome 29.5, arrival -special cancellation Friedrichshafen 30.5. On face, superb, according to Longhi only 40 such examples known, expertized Diena (Longhi 724, approximate 8.000 Euro)