A die break on Wyoming’s 2007-P state quarter created an infamous error that makes the bucking bronco seem to be “pooping." As most state quarters ...

A Littleton Coin Company employee uncovers a rare struck-through error on a new 2026 quarter, sparking early collector ...

The Wisconsin state quarter features a cow, cheese, and an ear of corn. One version of this quarter gives the corn an extra leaf low on the ear. This may have happened when a tool was pushed into the ...

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

A rare 1999 Georgia quarter with a mint error could be worth up to $10,000. Here’s how to spot the valuable coin in your ...

While most quarters are worth exactly 25 cents, a rare error of this quarter has fetched five figures at auction.

That quarter you have in your pocket could be worth a lot more than you expected. An error on some 1999 Georgia state quarters has jacked up the value of some of the ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

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 ...