It is very unlikely that you actually have a real one. Because of the copper cent’s collector value, counterfeiters will coat steel cents with copper or alter the dates of 1945, 1948, and 1949 pennies.
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10 Most Valuable Old Pennies and What They're Worth
I think I found a copper 1943 penny, but whatever it went through was hell. How much do you think it'd still be worth? : r/coins
Check your change! 1943 pennies could be worth big bucks
The 1943-S Copper Penny Found by Kenneth Wing
BOY: Has $1.7 Million Dollar Penny In Lunch Box
1943 Copper Penny Values + Identify Fakes Like This
RARE 1943 Copper Penny - How to Authenticate 1943 Bronze Cent
How to diagnose a 1943 copper cent.
My 'WW2' penny sold for $82,250 thanks to 3 factors - but it was the letter on the front that made it so valuable
Error cent slabbed for upcoming sale - Numismatic News
RARE 1943 COPPER PENNY WORTH A MILLION DOLLARS - CHECK YOUR POCKET CHANGE FOR VALUABLE COINS!!
Holy grail' found: Rare penny might be worth $1.7M after it was found in boy's lunch money
1943 Copper Penny: Did I Find The Holy Grail Of Coins Metal Detecting?
PCGS-Graded Bronze 1943 Lincoln Cent Sells for Over $1 Million
Most Valuable Copper Penny of ALL TIME!