Postal unit with first soviet space station crew

Keywords:

collection, stamp, picture, communications, postage, mail, post, label, letter, vintage, USSR, soviet, Russia, russian, Shatalov, Volynov, Eliseev, Khrunov, Soyuz, spaceship, global, flying, flight, space, station, crew, astronaut, cosmonaut, orbit, Earth, planet, exploration, joining, rendezvous, connection, docking, orbiting, techniques, telecommunications, rocket, moving, transport, transportation, travel, science, astronomy, satellite, cosmos, spacecraft, technology,