As with just about any asset, a coin's value is determined by its market demand. This means that coins in short supply often ...

That's because rare state quarter errors can give these coins a higher value. Some can be worth thousands, so grab your ...

Manufacturing errors might be annoying when it comes ... “Curious how the alloy would look on quarters, a bunch of Georgia state ones were minted using it,” the U.S. Coins Guide said in ...