Production errors and unique background stories make some historic coins now worth way more than their face values. And holding on to them, including those in the list below, could mean increased ...

Only about 20,000 to 24,000 of these coins were made, which makes them quite rare. I’ve seen well-preserved examples sell for over $100,000, while even circulated ones hold significant value.

These eight quarters may look like just pocket change. But in the right hands, they could be exchanged for a fortune.

They must feature specific errors to be particularly valuable ...

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, ...

A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as ...

The rare coin, which has previously been sold for more than £500, is still believed to be in circulation ...

Although the Euro hasn't been around as long as some other currencies, there are still some rare Euro coins out there that are super valuable. If you're in Europe and getting Euros in your change, ...

When the U.S. Mint launched its 50 State Quarters Program in 1999, the point of the 10-year initiative was to honor each of the 50 states and share a little bit of history via free classroom lesson ...

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 ...