The alloy used in the steel penny made the coin magnetic and ... where they were accidentally struck. So, if you find a 1943 penny made of copper, you’re holding a valuable coin. Here’s an example of ...

Like the 1943 copper penny, it was struck using the wrong planchet. By 1944, the U.S. Mint returned to only using copper alloys to mint pennies, but a few were accidentally struck with the steel ...

There are one-cent coins that might fetch up to $30,000. Here’s how to find out if you possess one of these rare pennies.

Dollar cents worth hundreds of thousands of dollars due to the demand from collectors have people across the US taking a second look at the markings.