The error coin market has exploded in ways that would make even seasoned collectors' heads spin. What started as casual treasure hunting through pocket change has evolved into something that resembles ...

Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

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 ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

Approximately 5,720,000 Lord Kitchener £2 coins were minted by the Royal Mint, but only a handful contain this error. An ...

Expert explains what to look for ...

You may have seen one of the many headlines about valuable pennies in circulation. "Lincoln Wheat Penny Worth $124M You Could ...

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

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...