Page 143 - Demo
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Nuclear Weapons of the Atomic AgeItaly, 1967One stamp on a First Day Cover commemorating the 25th anniversary of the first atomic chain reaction by Enrico Fermi in Chicago. Issued on December 2.United States, 2001One stamp on a First Day Cover commemorating the 100th Anniversary of the Birth of Enrico Fermi, with a cachet depicting a nuclear blast. Issued on September 29.
