If you're hanging on to a $1 coin, it might be worth much more than it appears. Here are four ways to check if your coin can ...

Like the Susan B. Anthony coins, the Sacagawea dollars have historical significance but little value beyond the “very few rare varieties” that exist, according to California Gold & Silver Exchange.

As a way of honoring more presidents, the U.S. Mint began issuing Presidential Dollar coins in the 2000s. Most are worth about face value ... to that of the Sacagawea Golden Dollar and Native ...