Old pennies that have been stamped twice during the minting process and have been circulated throughout the United States by accident have long been selling for thousands of dollars. In January 2023, ...

Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

If you have one of these pennies in your piggy bank, you could be looking at a coin worth thousands or even millions of ...

A 'rare' 20p coin has sold for 76 times its face value because of one subtle error. The coin - which dates back to 2006 - was sold for £15.36 on eBay last week ...