Some 21st-century coins are worth more than their legal tender amount, so check your pockets for these circulated coins worth ...

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 ...

When that coin crossed the auction block, it realized $15,862.50, a figure that has since become shorthand among collectors for how extreme mint errors can rewrite the value of a modern quarter. The ...

Like the leaning tower of Pisa, error coins demonstrate the alluring appeal of human error. Error coins account for some of the most rare and valuable collectable ...

The 1990 penny error coins represent some of the most exciting finds for modern coin collectors. This year marked a significant transition in U.S. Mint production ...

"GoldSilverStacks empowers coin collectors and investors with expert insights into U.S. numismatics, gold and silver stacking, trading the gold and silver ratio and rare coin valuation." ...

The 1979 Susan B Anthony Dollar Errors represent some of the most fascinating minting mistakes in modern US coinage history. This was the first year these coins were produced, and the Denver Mint ...

Brits have been urged to double check their £1 coins for a tiny error that could make them worth 500 times their face value. This coin will seem “ordinary” at ...

A £2 coin taken to an auction house near Swindon has now sold for over £1,000, after it was found to have a particularly rare 'error'.