The Mystery of the Wisconsin Quarter Error What if that ordinary quarter in your pocket could actually be worth thousands of ...

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 ...

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 ...

Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

It looks like the U.S. Mint has struck again -- or actually, not struck again. Some of the new dollar coins featuring John Adams are missing edge inscriptions including "In God We Trust," according to ...

An overflowing change jar is a sign that your coins need a new home. This can mean moving your spare quarters and dimes to a bigger jar; or, even better, checking to see if you have any valuable coins ...

MAKE sure you’re keeping an eye out for rare £1 coins in your spare change – one could be worth over £200. Coins with minting errors can sell for hundreds of times their face value because there are ...

A rare £1 coin has sold for more than 100 times its original value on eBay because it has an unusual error. The £1 coin was sold for £115.15 on October 25 ...