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Nuclear Weapons of the Atomic AgeChina, 2020Set of four stamps commemorating Chinese scientists and mathematicians, with one stamp depicting Yu Min (1926-2019) a nuclear-weapons designer, with a nuclear blast in the background. Issued on September 19.Guinea, 2024Miniature Sheet with seven stamps commemorating the 120th anniversary of J. Robert Oppenheimer%u2019s birth, depicting a nuclear blast on six of the stamps. Issued on March 7.
