In January, 2007, there was a story about Department of Defense contractors inadvertently carrying a hollowed out Canadian dollar that contained Radio Frequency Identification (RFID) transmitters that could be used to track their movement. Allegedly, the coin was given to them in change by a third party. Later, Defense Security Services (DSS) issued a press release stating that the story was not true.

I thought it would be fun to find a spy coin and see what could be done with it.

Earlier on Monday, a friend sent a link to Think Geek, an online merchant that sells technology-related items specifically to the technologist market. While looking through the items I found a listing for Hollow Spy Coins. The coins are hollowed out quarters or half-dollars with enough room for a very small memory card. The coins are advertised to come with an unlocking ring and are “indistinguishable from regular coins when closed.”

Think Geek is selling the spy quarter for $20.99 and the half-dollar for $24.99.

If these coin are indistinguishable from regular coins, I would be afraid to carry the quarter for fear of accidentally spending it. But keeping the half-dollar as a pocket piece with some “secret” inside could be fun. I might buy one!

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