You never know when you might come across a valuable error coin, so it helps to know what to look for. Here's a look at five ...

I find the 1974 aluminum penny fascinating because it’s a rare experimental coin. It was made as a prototype to test a cheaper metal due to rising copper prices.

Most people never think twice about the change jingling in their pocket. Yet tucked inside ordinary coin rolls and forgotten jars on kitchen counters, some of the most extraordinary accidents in ...

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 ...

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, ...

Something genuinely unusual is happening in the coin-collecting world right now. Error coins struck between 2021 and 2024 ...