Certain Buffalo nickels can fetch thousands of dollars depending on rare key dates or minting errors, turning what appears to ...

CHECK your change, dig down the back of the sofa and smash open the piggy bank – you could be sitting on a goldmine. We all ...

Buffalo nickels are not only nostalgic coins but also potentially worth much more than five cents to rare coin collectors.

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 ...

Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime steel ...

Modern smartphone technology has revolutionized coin identification and valuation. Whether you’re a seasoned numismatist or ...

CoinKnow Coin Identifier App Introduces Revolutionary AI Technology for Automatic Error Coin Detection LOS ANGELES, CA / ACCESS Newswire / December 26, 2025 / CoinKnow, a leading coin identifier app, ...

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, ...

CoinKnow stands out as one of the most advanced free coin identification applications available today. Launched in 2025, this app leverages sophisticated AI to analyze coins through your smartphone ...

You don’t need to be a seasoned collector or visit a coin shop to stumble upon valuable U.S. coins—some rare and sought-after pieces still show up in everyday pocket change. From minting errors to low ...