In 1943 as copper and nickel were needed by allies of the war, almost all circulating pennies were made from zinc-coated steel. But in one of the most valuable errors in coin history, some pennies ...

During World War II, the U.S. Mint switched to zinc-coated steel pennies to conserve copper for military use. However, a small number of 1943 pennies were mistakenly struck in copper ...

If you have any 1943 wheat pennies, it’s worth taking them to a coin dealer to see how much you might get for them. This penny somehow missed the 1944 transition from steel-coated zinc to copper ...

Re “So long, penny! Trump orders U.S. to ditch 1-cent coin after decades of complaints” (Feb. 10): Consider this solution to ...