France. 1979, June 15. SPACE EXPLORATION ROCKETS SPACEPORT LAUNCH SITE COSMONAUTICS SPACE COMPLEX THE SPACE RESEARCH ACHIEVEMENT PROGRAM ROCKET SHIPS IN FLIGHT THE FRENCH SPACE ROCKET "ARYAN" SUPERSONIC JET PASSENGER AIRCRAFT CONCORDE AERONAUTICS AIRSHOW EXHIBITION OF LE BOURGET. Issue of the art envelope (HK) and special cancellation (SG), dedicated to the international exhibition, aviation and space salon in Le Bourget on aeronautics and space exploration. The picture shows an Ariane rocket taking off at launch, a Concorde plane on takeoff and planet Earth, the globe, a map. The imprint of the stamp of the SG is placed on the HK, franked by one artistic mark of France Mi.2157 with the image of the same Ariane space rocket at launch. The whole thing, okumental mail, a postal document that has passed the post office of HC with the 1st postage stamp Mi.2157, cancelled by the specified stamp of SG. Condition - LUX. This HK with SG is not only an excellent example for a personal collection, but also a valuable exhibit for a philatelic exhibition of any level, satisfies all the most stringent requirements of philatelic judging.