Italy flight 1933, San Marino post, return flight, registered card from San Marino Citta 29.5. To the Haag with 2, 25 L. Postal stamps Michel F and 10 L Zeppelin, blue flight stamp, transit Rome with Zeppelin hand special cancellation 29.5. And arrival -special cancellation Friedrichshafen 30.5. On face, superb (Longhi 620, 1950 Euro)