Italy flight 1933, return flight, Vatican post, letter from Vatican 28.5. with 2, 50 L Pius and 25 C. coat of arms in two countries mixed franking with 5 L Zeppelin and rare Machines-SST Rome 29.5, blue flight stamp, transit special cancellation Rome 29.5. and arrival Friedrichshafen with Machines-SST 30.5. reverse, superb (Longhi 722, 4.000 Euro)