A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as much as $10,000 for the affected 25-cent ...

A 'very rare' 50p coin has sold for 64 times its shop value - because of one error. The 50p coin was sold for £32.36 on eBay on Monday, January 12.The 2014 coin ...

The description read: “Undated 20p piece minted in 2008. “Mule error, coin does not include a date. “Coin was circulated briefly in 2008 but has been in my possession and not circulated since 2008.” ...

People are being encouraged to examine their £1 coins for a tiny manufacturing flaw that could potentially increase their value to £2,500. This lucrative mistake can be "difficult to spot". In a video ...

People have been advised to examine their loose change for four specific coins that together could fetch more than of £1,000. However, these particular pieces must display certain defects to command ...

People have been advised to examine their loose change for four specific coins that together could fetch more than of £1,000. However, these particular pieces must display certain defects to command ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

A 2003-D nickel struck on a cent planchet graded MS65 sold for $2,030 at GreatCollections in 2016. The unusual color makes these errors relatively easy to spot. Think you found an off-metal error?

All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. With the push of a button, the U.S. Mint ended production of the ...

Brits are being encouraged to "always" inspect a certain 50p coin, as it may prove to be a very scarce version. This particular piece could potentially sell for more than £40,000, it has been ...