1933, Chicago travel, Round Flight, registered letter with 1 - 4 RM Chicago travel, 3 values complete, from "FRIEDRICHSHAFEN 14.10.33" to San Sebastian / Spain with arrival postmark Friedrichshafen from 2. November and appropriate Cachet, all values well perforated, the 4 RM. Small corner tooth perforation crease and minimal glue-stained, the cover to the margins slight Patinam photo expertize H. G. Schlegel BPP "the stamps, overprints and stamp are genuine. "