Rare coins worth thousands really do slip through everyday wallets, so it pays to check your change before spending it. I focus here on specific dates, mint marks and errors that experts flag as ...

For a Lincoln cent, however, the 1943 copper penny is extremely valuable, with circulated examples selling at auction in the past two years bringing between $240,000 and $336,000. Its auction prices ...

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 ...

The 1974 Lincoln Cent is one of the most common pennies from the 1970s, but a handful of rare varieties and high-grade examples can make certain coins surprisingly valuable. While most 1974 pennies ...