Check your change for rare £1 error coin that sold for £2,500

The expert estimated that the coin is worth around £500 but acknowledged that an example of this coin has sold for five times ...

Rare £1 coin worth up to £2,500 if it has this 'small' number

The specialist valued the coin at approximately £500 but noted that one specimen of this coin has previously sold for five times that figure. He stated: "There is a rare £1 coin that you must search ...