Ключевые слова: astronaut, black, capsule, cccp, collecting, commemorative, cosmonaut, czech, ethnicity, exploration, flying, former, georgiy, grechko, isolated, men, mission, old, oldfashioned, on, postage, postmark, republic, retro, revival, romanenko, russia, russian, sketch, soviet, soyuz6, space, spaceflight, spaceship, stamp, travel, union, vehicle, vostok, yury,