During World War II, the U.S. Mint switched to zinc-coated steel pennies to conserve copper ... rare. Among these, the 1943-S Wheat Penny, minted in San Francisco, is one of the most sought ...

It was originally based on the Spanish Dollar ... Minted in 1849, this rare coin easily falls into the million-dollar club. Made from 90% gold and 10% copper, this coin weighs just over 33 ...

The value of copper coins, as in all coins, is based on scarcity and condition. Rare coins with minting errors or other unique features tend to bring high prices, as do those in mint or near-mint ...

Here are 10 rare coins, including five still in circulation, that are certain to increase in value in the next five years. A news release from the U.S. Mint in 1999 estimated that 40 copper-alloy ...

“One of the earliest, if not the earliest, coins issued by the U.S., the 1787 Fugio Cent is steeped in history,” Byers said. “Although records are sparse, this copper coin is widely regarded ...

But finding the right copper coin could make you a millionaire. Read Next: 8 Rare Coins Worth Millions That Are Highly Coveted by Coin Collectors Check Out: 5 Things You Must Do When Your Savings ...