DDR East German 1 Mark Secret Agent covert HOLLOW Cold War Spy Coin
Covert spy coins are hollow coins used by secret agents to carry data either in the form of coded messages OR microfilm or which are concealed in a hollow compartment.
Typically secret agents and members of intelligence services used examples of their adversary's coinage for this purpose. So during the 1960s through to the 1980s modfied East German coins would have used by Western agencies for this purpose.
This original East German 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 25mm. Dates may vary.