WASHINGTON – An odd-looking Canadian coin with a bright red flower was the culprit behind the U.S. Defense Department's false espionage warning earlier this year, The Associated Press has ...

The supposed nano-technology on the coin actually was a protective coating the Royal Canadian Mint applied to prevent the poppy’s red color from rubbing off.

The silver-colored 25-cent piece features the red image of a poppy, Canada's flower of remembrance, inlaid over a maple leaf. The unorthodox quarter is identical to the coins pictured and ...

The supposed nano-technology on the coin actually was a protective coating the Royal Canadian Mint applied to prevent the poppy’s red color from rubbing off.