1964-1965 New York Worlds Fair Neutron Irradiated Mercury Dime KM.793.1 650 with its run of

650 with its run of 9

Medals issued by William Penn Commemoration Committee

Always have the memories of your feet in the sand and ocean breeze in your hair with this charm or pendant close at hand or to heart

Retail new $375

1964-1965 New York Worlds Fair Neutron Irradiated Mercury Dime KM.793.1 650 with its run ofHere 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