It’s easy to ignore loose change scattered around the house, but one small coin could hold surprising value. Among the most famous examples is the 1943 Bronze Lincoln Cent—a penny that has captured the attention of collectors for decades. While most coins from that year look ordinary, a rare production mistake turned a handful of them into some of the most valuable pennies ever discovered.
During World War II, copper was needed for military supplies, so the U.S. Mint switched to making pennies from zinc-coated steel in 1943. However, a few leftover bronze planchets from the previous year were accidentally used in the minting process. The result was a small number of bronze pennies that entered circulation unnoticed, blending in with everyday coins.