People are being encouraged to examine their £1 coins for a tiny manufacturing flaw that could potentially increase their value to £2,500. This lucrative mistake can be "difficult to spot". In a video ...

A highly coveted £1 coin could be valued at a small fortune if it contains a small error. This specific piece has previously sold for as much as £2,500. Its ...

Brits are being advised to check for a "micro engraving" on a particular coin that could be worth as much as £500. This £1 piece from 2016 contains a minute error ...