Italy flight 1933 and 2. South America flight, San Marino post, coloured promotional R card the S. A. M. From San Marino 26.5. To Buenos Aires with 15 L Zeppelin in mixed franking, blue flight stamp and reverse transit Rome 29.5, arrival Rio 7.6. And Buenos Aires 10.6, superb (winner 209 IE, Longhi 646, 2.300 Euro)