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 ...

That’s a lot of coin. A Lincoln wheat penny minted in 1955 sold this month for $2,050 on eBay because it contains a rare feature known as a “double die error ...

RARE coins are like diamonds in the rough – and those with errors are often worth even more. In fact, another Lincoln D penny has sold for a whopping $2,027 online ...

How much you get for the 1955 Lincoln coin could depend on grade and condition but it’s quite valuable regardless. If the Lincoln cent is in average condition, it is worth $1,286, according to USA ...

Yes, almost all copper coins in the U.S. are pennies, but these can be worth all the way up to $2 million if the right ...

Add Yahoo as a preferred source to see more of our stories on Google. tab1962 / iStock via Getty Images Most of the time, a penny is worth just one cent, but in the case of the most valuable pennies, ...

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 ...