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 ...

Investing in the 1943 Steel Penny is like uncovering a small, silvery relic from America’s World War II era—where necessity turned copper into steel and created one of the most distinctive coins in ...

WASHINGTON – America’s 1-cent coin might seem insignificant, but it makes good sense to look pennies over carefully. Some rarer ones are sought by collectors and the penny might fetch you big bucks, ...

If you are a rare coin collector, you know that it’s not always the perfect coins that are the most valuable. There are many criteria that make a coin worth lots of money in today’s currency, as well ...

Curious about alternative investments like valuable quarters? Find out how to invest in the different asset classes today. While most quarters are worth just 25 cents, some can be worth much more due ...

Most people don't think twice before tossing a quarter into a tip jar or dropping it in a parking meter. It's just twenty-five cents, after all. Except when it isn't. A handful of 1982 quarters ...

Add Yahoo as a preferred source to see more of our stories on Google. Peter Gudella via Shutterstock Minting coins isn't exactly an exact science. Even though most ...

Add Yahoo as a preferred source to see more of our stories on Google. A coin sitting in a jar or drawer could be worth thousands of dollars if it has a rare mistake from the U.S. Mint. Some 1999 state ...