These are some of the most valuable state quarter errors, according to auction records. The Wisconsin state quarter features ...

You never know when you might come across a valuable error coin, so it helps to know what to look for. Error coins can be divided into the following general ...

State quarters are a popular collectible item among numismatists or coin collectors. While most state quarters are worth their face value of 25 cents, there are some that have become valuable due ...

Collectors often pay the highest amounts, around $10,000, for Georgia quarters that were molded from an experimental mix of metals with a gold or green hue. The coin disks, known as planchets, were ...