SCG6776 - USSR 1961 – Space Dog Chernushka and Rocket LaunchIssued by the Soviet Union on March 9, 1961, this 4 kopeck stamp commemorates the fourth Soviet space mission, featuring the dog Chernushka aboard the Korabl Sputnik 4 spacecraft. The striking blue and green design depicts the rocket soaring into orbit, symbolizing a key prelude to human spaceflightconducted just a month before Yuri Gagarins historic mission. Chernushkas safe return marked another milestone in the USSRs pioneering era of space