A powerful Cold-War era propaganda issue from the Soviet Union promoting global nuclear disarmament and peaceful scientific cooperation. The design features a crossed-out bomb symbolizing the rejection of war, contrasted with an atomic-energy emblem encircling the globe—emphasizing science for peace. On the right, rockets and a research vessel highlight Soviet scientific and maritime contributions. Issued by Pochta SSSR in deep blue and black tones, this stamp is a significant political-thematic item ideal for collectors of peace movements, Cold War history, and Soviet propaganda philately.