These are fakes, and the plating often appears uneven or can wear off in places, exposing the steel underneath. If you have a non-magnetic 1943 penny that looks copper, it could be a rare and valu ...

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