The 2025 Penny Error market presents a unique opportunity for collectors, as these coins represent potentially the last year ...

7 million, though even more recent sales have shattered those numbers. A small number of bronze planchets left over from the 1942 production remained in the mint presses and were accidentally struck ...

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 ...