1933, Chicago flight, handing in for transport Friedrichshafen to akron, registered letter with 2 Reichmark Chicago flight and additional franking 25 Pfg and 40 Pfg Hindenburg as board mail from 16.10.33 to akron \"poste restante\" with arrival postmark from 25. Oct and return sent, with appropriate Cachet, all values well perforated, impeccable.