Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime steel ...
Most people drop pennies into a jar without a second thought. They're the coins that accumulate at the bottom of bags, pile ...
There used to be a saying -- "pennies make dimes and dimes make dollars" -- that stressed the importance of saving your money (the phrase later showed up in a country song). Today, some Lincoln ...