2 Mark South America flight (watermark. Y) and 4 Mark South America flight (watermark. X) on cover with 2 Mark golden eagles as additional franking, South America flight 19340, green special confirmation stamp "Count Zeppelin Pan Americaa Round Fligt, Lakehurst 31, . 5.30", correctly franked franking, photo expertize H. D. Schlegel BPP (2019) : ", 2 RM short corner perforation, 4 RM perfect, cover slight traces of usage. "