Hollow Coin

1950s-1990s, KGB

Hollow coins easily concealed microfilm and microdots. They were opened by inserting a needle into a tiny hole in the front of the coin.

Back to Full Collection

Additional Objects

One-Time Pad (Silk)

Circa 1930-1940

Concealment Ring for Microdots

1960s

Suitcase Radio, Model AN/PRC-5

Circa 1944-1945