Minting errors are often valuable with any coin, and the 1859 "narrow 9" Canadian penny is no exception. The dies for stamping the coin are slightly doubled on the date, except for the number 9.

To tell if a Canadian coin is rare, check for low mintage years, minting errors, unique design variations, and older coins with silver content (pre-1968). Also, look for special editions or coins ...

With only just over 38,000 coins minted, the 1945 Canadian 1-dollar coin is fairly rare. It's even harder to find in pristine condition, so those with minimal wear can be worth quite a bit. One ...

The listing says it was part of a group of proof-coin errors that were auctioned by the state of California. Seller Mike Byers said the quarter was struck over a 1941 Canadian quarter instead of a ...

The Defense Security Service, which guards Pentagon officials and their secrets, said Canadian coins might be equipped with tiny radio transmitters. They supposedly tracked U.S. military ...