It’s been 25 years since the U.S. Mint began producing arguably the most collected coins: the 50 State Quarters.

State quarter errors can significantly enhance your coin collection's value. Find out the most notable errors and how to spot valuable variations in your collection.

Discover which state quarters are worth money. Learn about rare errors, low-mintage coins, and valuable varieties that could be hiding in your change.

How to tell While every state has a quarter, some are easier to find than others. In total, 34.3 billion quarters were produced and shipped as part of the 50 State Quarters Program.

Is your $2 bill worth thousands? How to tell In total, 34.3 billion quarters were produced and shipped as part of the 50 State Quarters Program.

Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS. Keep in mind that “error” coins — the ones primarily included on this list ...