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, ...

Rare coins can be worth a lot of money, especially those with minting errors. In past months, we've seen a lot of gems sell for thousands more than their face value. And just recently, a rare 1p coin ...

Rare coins worth thousands really do slip through everyday wallets, so it pays to check your change before spending it. I focus here on specific dates, mint marks and errors that experts flag as ...

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 ...