Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS.

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 ...

The state quarters program, which ran from 1999 to 2008, inspired many new coin collectors, and some of those quarters are worth more than 25 cents today.

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 ...

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 ...

There’s something to be said for collecting old coins. Some people do it for the fun of it or to have a cool story to tell. Others do it in hopes of making a profit. Unfortunately, not everyone’s ...

Add Yahoo as a preferred source to see more of our stories on Google. TOPEKA (KSNT) – Ever wondered if the Kansas state quarter in your pocket is worth more than its advertised for? Kansas, like every ...

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 quarters from Georgia have sold for as much as $10,000 due to unusual ...

Have you ever heard of rare error quarters? These rare coins can be worth a lot of money. For example, last year the U.S. Sun reported that a rare 2000 George ...

Brits are being advised to check for a "micro engraving" on a particular coin that could be worth as much as £500. This £1 piece from 2016 contains a minute error ...