Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected. This Georgia quarter is a big one.

A coin aficionado has told Brits to rifle through their loose change, after revealing that two rare £2 coins could net a tidy sum of £1,600. These particular £2 pieces still in circulation have quirky ...

A reverse proof die meant for special coins was mistakenly used on regular circulation pennies. You can spot it by looking at the spacing between the letters “A” and “M” in “AMERICA” on the reverse ...

The coins were all found in circulation and are set to return more than a thousand times their intrinsic values.

Brits have been urged to check their change for a rare £2 coin worth far more than its face value. According to an expert, this piece could sell for more than £ ...