American Museum of Atomic Energy Neutron Irradiated 1961 Roosevelt Dime Coral Traces of this coins prooflike

Traces of this coins prooflike surfaces can still be seen

The 1923 $50 Peso is

1 g Diameter 38

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

Rev: VICTORI-A AVGGG and officina letter

American Museum of Atomic Energy Neutron Irradiated 1961 Roosevelt Dime Coral Traces of this coins prooflikeHere 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