Most people toss their quarters into a jar without a second look. It's just pocket change, right? Well, for a specific coin struck in 1982, that casual dismissal could mean walking away from real ...

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 ...

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 ...