Victorian coin collector Michael McCauley said the 1971 20 cent coin could be worth up to $80 if it was in “perfect condition ...

With its dazzling design and sparkling gemstone, the Royal Canadian Mint's new issue isn't your typical Canadian dollar coin.

A mule is a coin with mismatching stamps on either side. On this specimen, one side was stamped with the 50 cent reverse and the other with the 20 cent reverse. Next, there was a French 20 cent ...