Rare 1943 Copper Penny: in the midst of World War II, a simple mix-up at the U.S. Mint created a handful of copper pennies dated 1943—when all others were steel. These ultra-rare errors, with only about 20 known to exist, have sold for up to $1.7 million, and experts speculate top-condition ones could hit $2.2 … Continue reading Rare 1943 Copper Penny Could Be Worth $2.2 Million – Check Your Change