A TINY mistake on your usual 20p coin could make it a whopping 350 times more valuable. You will need to look out for one small detail if you want to mint some extra cash. Coins become more ...

A rare 20p coin sold for a whopping £232 on eBay – over 1,000 times its face value. The coin, which features a rare minting error, had collectors scrambling to get their hands on it.

Check your change and take a look down the back of the sofa after a rare Royal Mint 20p coin sold for 450 times its face value this week. The 20p piece is a “mule” coin dating from 2008 and was minted ...