United States 5 Cent Nickel Cold War HOLLOW SPY COIN with secret compartment
Covert spy coins are hollow coins used by agents to carry data either in the form of microfilm or, more recently, electronic data cards, which are concealed in a hollow compartment.
This original 5 Cent Nickel coin is expertly precision hand-machined from two actual coins to create a secret interior compartment. Once closed, it is absolutely indistinguishable from a regular coin to the naked eye. It can be handled normally without any chance of an accidental opening. The coin is supplied with an opening device is supplied, without which it's next to impossible to open up the coin.
Diameter 21mm. Dates may vary.