Page 144 - Demo
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Nuclear Weapons of the Atomic AgeRepublic of Congo, 2018Three imperforate Miniature Sheets (also available perforated), two with one stamp, and one with two stamps, all commemorating the 30th anniversary of the death of atomic scientist Richard Feynman, 1919-1988. These were not released by Republic of Congo; they were illegally produced, and are not valid for postage.