CoinKnow stands out as one of the most advanced free coin identification applications available today. Launched in 2025, this app leverages sophisticated AI to analyze coins through your smartphone ...

This guide breaks down the best free coin identifier apps for U.S. and international coins, accuracy, error detection, and who each app is really for.

The 1943 penny errors represent some of the most fascinating and valuable mistakes in American numismatics. During World War II, the U.S. Mint switched from copper to ...

CHECK your change, dig down the back of the sofa and smash open the piggy bank – you could be sitting on a goldmine. We all ...

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 ...

We reveal how to spot a rare error coin below A RARE 50p error coin has sold for more than 600 times its face value after a fierce three-day bidding war. The “Lines ...

People are being encouraged to examine their £1 coins for a tiny manufacturing flaw that could potentially increase their ...

Featuring Queen Elizabeth on the front and the Tudor Rose on the reverse, the 20p piece was minted with a rare error ...