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 ...

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 ...

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 ...

Discover 10 valuable coins from the 1960s that have soared far beyond their original face value, revealing surprising ...

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

You don’t need to be a seasoned collector or visit a coin shop to stumble upon valuable U.S. coins—some rare and sought-after pieces still show up in everyday pocket change. From minting errors to low ...

Brits have been told to “always” check a certain 50p coin in case it is a highly sought after version. This piece could be ...

Explore the 1967 quarter error list, including DDO, DDR, off-center, wrong planchet, and rare silver errors, plus values and identification tips for collectors.