1929 Orient flight, two cards and cover from Friedrichshafen, each with appropriate cachet, addressed to Sofia, Bulgaria and to Brazor, Romania, the latter with arrival pmk, fine-v.f., scarce destinations (Cat No. Si.23A) (Image)

Est.$300

1931 4m Polar Flight, used in combination with regular franking on 3rd SAF to Buenos Aires, v.f., scarce usage, cat. $875 (Cat No. C42) (Image)

Cat. $875, Est.$250

1931 England Flight, specially prepared On-Board picture postcard, franked with 1m, addressed to Stanley Gibbons in London, sent by Capt. George Theager (RAF), ex-first officer of Airship R-100; also signed by Zeppelin Captain von Schiller (Cat No. Si.122Ab) (Image)

Est.$150

1933 Chicago flight cover franked with 1m-4m set of three, filing folds away from the stamps, fine-v.f. set on cover (Mi.Euro 1,550) (Cat No. C43-45) (Image)

Est.$250