The "S" mintmark on a 1943 steel penny indicates that it was minted in San Francisco.
A 1943 steel penny is worth just that 1cent.
A 1943 steel penny with no mintmark can be worth $.35 - $1.50
Around 5 cents.
it is not rare enough to have any value [will have value in about 3 years]
No such thing as a Winged Liberty penny. 1943 Lincoln cents are steel. The Winged Liberty (or Mercury) design was used on dimes in 1943.
The 1943 US pennies were steel, not platinum. Their worth depends on condition.
Steel cents were only made in 1943. Your coin is plated. It is considered an altered coin and is worth a penny.
Steel pennies were made in 1943 not 1941.
-In 1943, pennies were made out of steel instead of copper. A 1943 pure copper penny is a rare mint error, and is worth lots.
A 1942 copper penny is worth between $0.15 and $3.00. If you have a 1943 copper penny it is worth a lot more. In 1943 because of the war and the need for copper pennies in that year were made from steel. Steel pennies from 1943 are worth around $0.30 and $2.50. If you have a real 1943 copper penny take it to a coin shop or dealer and have them check it out to see if it is real.
As of 12/2008, about $1.45 retail for the Denver coin and $3.50 for the San Francisco one. An especially strong strike will bring more.