The 1955 Lincoln Cent is not made of tin. It is composed of 95% copper and 5% zinc.
As of July 11 2012 a 1955-S US penny in MS-60 condition is worth around 35 cents.
cooper
Penny
This is a penny made by the US mint in 1898.
There are a few hings about the history of a penny. A penny was the first made currency from the US.
In 1961 pennies were made of 95% copper and 5% zinc.
A US Lincoln cent without a mintmark was made in Philadelphia, no one cent coin has a P mintmark. 1955 is a common date wheat cent, most are 2 to 5 cents.
Steel cents were only made in 1943. Your coin is plated. It is considered an altered coin and is worth a penny.
The 1955 Irish penny is worth 1.25 pounds due to their scarcity.
Penny Antics - 1955 is rated/received certificates of: USA:Approved
3-10 cents, depending on condition. It's not a rare coin.