American Museum of Atomic Energy Neutron Irradiated 1961 Roosevelt Dime Coral 1939-S Washington Quarter - PCGS

1939-S Washington Quarter - PCGS MS 63 - Choice Uncirculated

Lincoln Wheat Cent - PCGS MS 65 RB - Gem Uncirculated Red & Brown

Two of the four have very a minor chip on the reverse (pictured) which would not be visible once mounted

The internment of the Japanese living in the US after the start of US involvement in World War 2 has been

- This coin is absolutely a cast copy

American Museum of Atomic Energy Neutron Irradiated 1961 Roosevelt Dime Coral 1939-S Washington Quarter - PCGSHere is an excerpt from a press release from the American Museum of Atomic Energy released in the mid 1950s regarding these dimes: "One of the most popular exhibits in the American Museum of Atomic Energy is a "dime irradiator." To date, more than 250,000 dimes have been irradiated, encased in plastic and returned to their owners as souvenirs. The irradiator works as follows: A mixture of radioactive antimony and beryllium is enclosed in a lead