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 ...
The Amazing Times on MSN2mon
Unlock the Hidden Value of Your Pennies: A Guide to the Most Valuable Coins in CirculationIts rarity stems from the reverse of the 1944 steel penny situation-copper planchets ... appreciate the evolution of U.S.
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