The 2025 Penny Error market presents a unique opportunity for collectors, as these coins represent potentially the last year ...

The 2003 Nickel Error List contains some of the most sought-after minting mistakes that collectors actively hunt for today. These errors can transform a five-cent coin into a valuable treasure worth ...

Turns out these common minting mistakes from 1979 are worth up to $5,000 - and you might have one sitting in your change jar ...

Discover rare 1990 penny errors, their values, and how apps like CoinKnow help identify valuable coins instantly.