Coin Investing & Collecting Glossary

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Karat

Measurement of purity used in showing the fineness of gold. One karat is 1/24 pure gold; 24-karat gold is pure, .999 fine.

Key Date

The opposite of common date. Coins with low mintages or with mintages having few survivors. See Rare, Scarce.

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Rare Coins

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Gold Bullion

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