Anyone still using cash is being advised to watch out for a 2016 One Pound coin which could be worth £2,500 - with dozens of them in circulation. TikTok user @coincollectingwizard has posted a video ...

He continued: "It's worth checking any 2016 coins as it is one of the hardest errors to spot. "Remember, you are looking for a 2016 obverse dated coin with 2017 micro-engraving on the reverse.

He further added: "It's worth checking any 2016 coins as it is one of the hardest errors to spot. Remember, you are looking for a 2016 obverse dated coin with 2017 micro-engraving on the reverse.

The 'Tale of Peter Rabbit' coin was the first in a series of Beatrix Potter-themed 50p coins, released in 2016 and followed by four more designs in 2017.

Money Rare coins 'Extremely' rare £1 from 2016 worth is £2.5k but 'error' is incredibly hard to spot A coin collector highlighted a £1 'error' coin with a certain dating on that you should ...

The coin of interest is a 2016 £1 coin, which is the newer 12-sided style. Although these 12-sided coins were officially launched in March 2017, over 500 million were produced by the Royal Mint ...

The £1 coin contains a very rare error - but you might need a microscope to spot it.

The TikTok user continued: "Some of the 2016 coins were minted with the wrong engraving of 2017 making this super rare and valuable to coin collectors.

The valuable error will be difficult to spot with the naked eye but could make the coin worth 500 times its face value.