The error coin market has exploded in ways that would make even seasoned collectors' heads spin. What started as casual ...

Discover the complete 1944 penny error list, including rare steel pennies, D/S mint mark varieties, doubled dies, off-center ...

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 ...

The 1776 to 1976 Quarter FS-101 Double Die Obverse represents the most sought-after error in the bicentennial series, showing ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

A group of experts issued a warning about George Washington dollar coins altered to look like valuable ones that left the U.S. Mint without “In God We Trust” on their edges. Collectors have reported ...

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 ...