1964-1965 New York Worlds Fair Neutron Irradiated Mercury Dime KM.793.1 800 issued

800 issued

No surcharge figures on back

650 with its run of 9

Very sarce

Oval portrait of an Indian maiden with large bow to right

1964-1965 New York Worlds Fair Neutron Irradiated Mercury Dime KM.793.1 800 issuedHere 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