A rare undated 20p coin released in 2008 by mistake when the new design was introduced (stock photo) This makes it extremely valuable for collectors.

An expert has urged Brits to look out for two coins currently in circulation that could be worth far more than their face ...

There are two coins currently in circulation which could be worth far more than their face value. A coin collector has shared ...

There are two coins currently in circulation that could be worth far more than their face value - and together they could be ...

The rare Royal Mint 20p coin inspired a mini bidding war amid collectors on eBay, prior to selling for almost £125.

Brits have been told to keep an eye out for two "everyday" coins in circulation. They could fetch a sum well beyond their ...

Brits have been told to keep an eye out for two "everyday" coins in circulation. They could fetch a sum well beyond their ...

There are two coins currently in circulation which could be worth far more than their face value. A coin collector has shared details of the seemingly ordinary 20p from 2008 and 50p from 2023 ...

The rare Royal Mint 20p coin inspired a mini bidding war amid collectors on eBay, prior to selling for almost £125.

People joked online that they "gotta start checking their pockets" after the unique coin sold for over the £100 mark ...