American Museum of Atomic Energy Neutron Irradiated 1962 Roosevelt Dime - Uncirculated Cr. 11 1946-D Walking Liberty Half Dollar

1946-D Walking Liberty Half Dollar

the United States Mint issued a collectible uncirculated Silver Eagle coin produced at West Point (bearing the "W" mintmark)

and asking a few questions online (great community over at the PCGS forums by the way) I'm comfortable that this is a known

Tape repair

Chickasaw National Park (Oklahoma) - 48

American Museum of Atomic Energy Neutron Irradiated 1962 Roosevelt Dime - Uncirculated Cr. 11 1946-D Walking Liberty Half DollarHere 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