The GreatCollections Coin and Paper Money Glossary
This is a popular resource that explains hundreds of coin related terms, as well as terms relating to our coin auctions. Of course, if you have questions about anything, please do not hesitate to contact us.
Die Rust
A form of corrosion or oxidation that occurs on the surface of a coin die, resulting in pitting, discoloration, or roughness, affecting the quality and appearance of coins struck with that die.
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