Subasta Bidspirit | AVIATION: A British Caledonian Airways

AVIATION: A British Caledonian Airways commemorative cover issued in honour of NASA's space programm... - AVIATION: A British Caledonian Airways commemorative cover issued in honour of NASA's space programme individually signed by Hermann Oberth (1894-1989, Austro-Hungarian-born German Physicist and Engineer, one of the founding fathers of rocketry and astronautics), Anselm Franz (1900-1994, Austrian pioneer jet engine engineer) and Roy Hutchings (1930-2014, British Pilot). Post marked at Houston, Texas, 17th January 1979. Signed by all three to clear areas of the cover. About EX