1964-1965 New York Worlds Fair Neutron Irradiated Mercury Dime Half Dollar " This Celebration 10 years

" This Celebration 10 years later was staged by Association

Super Bowl XXIX

the certificate number and signatures are purple and the date is black

* Its amazing I have to add this note but

1226 ~ Choice Very Fine

1964-1965 New York Worlds Fair Neutron Irradiated Mercury Dime Half Dollar " This Celebration 10 yearsHere 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