Glossary of numismatic terms

A B C D E F G H I J K L M N O P Q R S T U V W Y
karat
The degree of gold fineness. Pure gold is rated at 24-karat. Most non-bullion gold coins are struck to a fineness of 14-kt or 22-kt. See More
key coin (or key date)
One of the scarcer or more valuable coins in a series. See More
king of canadian coins
Nickname for the 1921 fifty-cent coin. See More