An example is the 1943 copper Lincoln penny, which was mistakenly minted during a World War II copper shortage and today is ...
Some state quarters in pristine condition could be worth well over $500. Before using your quarters, check whether you have ...
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 ...
The rare Royal Mint 50p coin has sold for more than £225 on eBay, and there are thousands more out there that could be worth a small fortune ...