Zeppelin RPPC flown on the Graf Zeppelin LZ127 airship's 1929 Deutschlandfahrt / Germany Flight, with Bordpost / On Board cancel. Dropped at OSNABRUECK with CDS' from that town tying the airmail franking; also a couple of the airmail stamps tied by ABWURF UEBER DEUTSCHLAND / DROPPED OVER GERMANY two-line cancel. Top condition. '17 CV EUR500