Group of four original Cold War era anti-nuclear protest posters representing international peace and disarmament movements of the late 20th century.Included is a "Nevada-Semey / Nevada-Semipalatinsk" anti-nuclear movement poster referencing cooperation between U.S. and Soviet test site activists; "Disarm for Life," featuring a stylized tree and dove motif; "Peoples Plea to SSD II - No to Nuclear Weapons in Europe! No to Nuclear Weapons in the World!" from Olympia-New York (May-June 1982); and a Czechoslovak Society of Physicians for the Prevention of Nuclear War (affiliated with IPPNW) poster featuring a mushroom cloud image with bold "Stop!" lettering.These posters reflect the global anti-nuclear activism of the Cold War period, highlighting grassroots movements, international physician organizations, and calls for nuclear disarmament across Europe, the United States, and the Soviet sphere.Sizes measure approximately 23" x 16", 26" x 22", 30" x 20", and 26" x 18".Condition varies with visible creases, edge wear, and handling marks consistent with age and storage. Please review images carefully for condition details.