During World War II, the U.S. Mint switched to zinc-coated steel pennies ... mistakenly struck in copper, making them exceptionally rare. Among these, the 1943-S Wheat Penny, minted in San ...

If you find a penny, pick it up as it could bring ... Check the Material Beware of Altered Coins: Some steel 1943 pennies have been coated with copper to fool collectors. These are fakes, and ...

Re “So long, penny! Trump orders U.S. to ditch 1-cent coin after decades of complaints” (Feb. 10): Consider this solution to the penny problem. In 1943, copper became so dear that to ...