If you mean a U.S. large CENT, it's worth $15-25 in average condition. If you mean a British PENNY, it's worth $10 if worn, up to around $50 if only moderate wear is visible.
1814 is the last year of issue for the "Classic Head" large cent. To see what it looks like on your browser type in Classic Head large cent, click images & search.
If a penny is silver in color, it is probably made out of steel coated zinc. They were issued during the year 1943 in WWII due to the shortage of copper. If the dealer says it's metal composition is...
All British Elizabeth II decimal coins look pretty much the same from from 1968 to 1982.The larger 5, 10 and 50 Pence coins are no longer in circulation and have been demonetised. They have little or...