8. South America flight 1934, registered letter from Rhodes 6.9. To Buenos Aires with 5 L. Postal stamp and four values airmail complete, transit Friedrichshafen 15.9. And flight stamp \"b\" on face, further transits and arrival Buenos Aires 19.9. Reverse, superb, expertized Longhi, depicted in the Longhi catalogue (Longhi 889, 900 Euro)