Sometimes silver is hidden right in front of you. These minted U.S. coins were made with up to 90% silver, meaning the metal in the coins are worth far more than the coins face value.

Back in the 1970s when silver prices were soaring, investors gravitated toward an unusual silver play—pre-1965 U.S. coins ...

There's a marketplace for coin enthusiasts to buy and sell rare coins, where you could make some decent money if you find one ...