Have you ever found a rare coin worth a fortune? If the answer is no, then maybe today can finally be your time

According to one TikTok user, there's a certain 20p which could sell for hundreds more than its face value, but before you get carried away – you'll need to search for one detail.

TikTok user @CoinCollectingWizard has revealed how a rare 20p coin with no date could be worth a small fortune.

The coin collecting enthusiast shared the information in a video post which garnered hundreds of likes and some comments.

He started with: “Can you spot the rare 20p coin with no date?

“This rare 20p coin sells for £50. This 20p is known as the undated 20p mule error, considered by man as on of the holy grails of UK change collecting. The undated 20p is always at the top of any coin collector’s wish list.”

He revealed how the coin was released in 2008, but an “unknown amount” of these 20p pieces were struck with the wrong dye, resulting in no date on the obverse and reverse side.

The user claimed this happened due to a mix up at the Royal Mint when the Royal Shield of Arms design was introduced. The Royal Mint confirmed this is the first time in over 300 years where a coin entered circulation without a date.

“It makes it extremely sought after by coin collectors,” he concluded. “So always check your change.”

And fans rushed to the comments section thanking the user for the information, while others admitted to owning a kind.

Wondering if you have a rare coin in your pocket?

Here’s how you can spot a hidden gem in your stash…

Firstly, examine the coin’s date – this is one of the easiest ways to tell if a coin is rare. Also check for errors, because this tends to affect its rarity as well.

But more importantly, the coin’s mintage is what could signify how scarce it really is. For example, if there’s fewer coins out there in circulation, everyone would be racing to get their claws on it.