Vintage American Museum of Atomic Energy Coin Pendant, Encapsulated Neutron Irradiated 1943 Mercury Dime

This pendant has a 1943 Mercury dime encased in a paper holder that reads: American Museum of Atomic Energy-Neutron Irradiated- it has been further encased in a silver coin holder bezel. It comes with a sterling silver split ring making it ready to wear.
"One of the most popular exhibits in the American Museum of Atomic Energy was the "dime irradiator". The program of irradiating dimes was begun for the purpose of illustrating to the public the principle of neutron activation (Cited from: https://www.cointalk.com/threads/an-interesting-artifact-from-the-early-atomic-age.360610/)".

This is a great gift for an Atomic Energy enthusiast or Numismatic collector.

Measurements: 1.5225 inches long total (with split ring) and 1.0720 inches at widest

Weight: 5.8 grams

Marks: unmarked; the coin holder bezel acid tested as sterling, and the spit ring is sterling silver as well

Condition: the coin holder has been soldered closed (see photos). There is no plastic/glass cover over the coin

❤All items in my shop are Estate, Vintage, and some even older which means they show age and wear consistent with being preloved.❤