The subtle error that could make your 20p coin worth 200 times its face value

The error appeared on the 20p coin due to an incorrect pairing of the old and new coin designs during the Royal Mint minting process ...

'Very rare' 50p sells for 64 times its value because of this one error

The 50p coin was sold for £32.36 on eBay ...
Plymouth Herald

One detail on pound coin could make it worth hundreds and you might have it

You could be unknowingly harbouring a small fortune in your pocket, as certain rare coins can command a price far beyond their face value. In recent times, people have been urged to look for a 50p ...

New 50p coin marks 50th anniversary of first Concorde flight

Royal Mint unveils new 50p coin to mark 50th anniversary of first Concorde flight - The new coin ‘honours both the aircraft ...

'Very rare' Royal Mint 50p sells for 64 times face value because of this one error

The 'very rare' Royal Mint 50p coin has sold for 64 times its face value because of one error ...
Nasdaq

5 Most Valuable ‘Error Coins’ Ever Minted — Check For These Misprints

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...