These hollow spy coins from Dereu & Sons have been in use since the Cold War by spies to transport secret messages or suicide poisons. Now you can use them to carry a MicroSD card. Available coins include [[xref: http://spy-coins.com/products.htm|U.S. nickels|U.S. nickels]] (left, US$30 each) and half-dollars (a better deal at US$25 each), British pounds (right, US$33 each), and EU euros (US$30 each).
Images: Dereu & Sons Mfg. Co.
Read the full story: "[[xref:http://www.pcworld.com/article/201703/spy_gear_for_your_inner_evelyn_salt_and_james_bond.html|12 Top Spy Gadgets|12 Top Spy Gadgets]]"