Don’t we all want that to be true!… But it could. According to PCGS grading company and realized auctions all over the world an MS67+ (and above) steel penny can bring you thousands of dollars! Unfortunately, most of the ones found now a days are in poor circulating condition. 1943 steel cents are U.S. one-cent coins that were struck in steel due to wartime shortages of copper. A few were minted on a copper planchet and those are the ones to keep on the look out. They are considered an error. An estimated 40 examples are believed to have been struck, with 13 confirmed to exist. The error occurred when copper planchets were left in the press hopper and press machines during the changeover from copper to steel blanks
Keep in mind that 1943 steel pennies were 684,628,670 minted, so even though your chances of finding one are high, the ones in MINT condition are quite hard and expensive.