1929 Orient Flight cover with attractive franking, sent from Friedrichshafen to Constantinople, with appropriate cachet, v.f. (Image)

Est.$150

1930 SAF to Seville, franked with 2M (C38), canceled on board 19.5.1930, boxed directional cachet at upper left, v.f., with arrival datestamp, Grabowski certificate (Cat No. Si.57A) (Image)

Est.$200

1930 South America Flights, selection of three different cards, each franked with 1M Eagle, etc., various drops incl. Seville, Rio de Janeiro and Seville-Friedrichshafen, v.f., cat. €825 (Cat No. Si.57A,57M,57ga) (Image)

Cat. €825, Est.$200

1930 SAF card to Santa Cruz de Tenerife, franked with 2M (C38), canceled on board 19.5.1930, v.f., with Cape Verde arrival pmk (Cat No. Si.57B) (Image)

Est.$200

1930 SAF to Pernambuco, franked with 4M (C39), canceled on board 19.5.1930, v.f., with arrival pmk, signed Dr.Simon (Cat No. Si.57C) (Image)

Est.$150

1930 South America Flights, selection of six different flights (three covers and three cards), each franked with either 2M (C38) or 4M (C39), various drops incl. Bahia, Rio de Janeiro, Lakehurst, Pernambuco, cancelled either on board or in Friedrichshafen, v.f. lot, cat. €3000 (Cat No. Si.57D/N) (Image)

Cat. €3000, Est.$750

1933 Century of Progress Flight, round-trip Friedrichshafen to Friedrichshafen, registered cover franked with 2x1M and 2M (rounded corner) Chicago overprints (C43,44), etc., cancelled Berlin 14.10.33, with green Friedrichshafen 2.11. and Berlin 3.11.33 arrival pmks, v.f., with additional connecting cachet (Image)

Est.$500

1933 Century of Progress Flight to Bahia, franked with 1M Chicago overprint (C43), etc., cancelled Friedrichshafen 14.10.33, with Brazil Condor and Bahia arrival pmk on back, v.f., unlisted destination, cat. €900 (Cat No. Si.238Aa) (Image)

Cat. €900, Est.$250

1933 Century of Progress Flight to Rio de Janeiro, registered cover franked with 1M Chicago overprint (C43), etc., canceled Friedrichshafen 14.10.33, with arrival pmk on back, v.f., cat. €900 (Cat No. Si.238Aab) (Image)

Cat. €900, Est.$150

1933 Chicago Flight, round trip card Friedrichshafen-Friedrichshafen, registered and franked with 2x1M, also 2M (C43,44), canceled Berlin 14.10.33, with transit and arrival pmks, v.f. (Cat No. Si.238Cba) (Image)

Est.$500