American Museum of Atomic Energy Neutron Irradiated 1943 Mercury Dime 5 Cents with a half-life of 22

with a half-life of 22 seconds

Notes Ruler: Maria I

Displays dramatically off-center for the slight percentages

initials below

CANADA Mintage 3

American Museum of Atomic Energy Neutron Irradiated 1943 Mercury Dime 5 Cents with a half-life of 22Here 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