Please be more specific, describe the error in a new question.
Face value only.
They didn't make any special penny that year like with the dollar, so it is only worth its face value, $.01.
There's no way to give a specific answer without knowing the coin's denomination, but anything from 1976 is still worth face value (except for the penny, which is worth about 2 cents for its copper content).
Only dollars, half dollars an quarters dated 1776-1976 are "Bicentennial" coins. Dimes, nickels and cents are face value.
The US did not make bicentennial pennies like they did with the quarter, half dollar, and dollar coin.
Face value only.
Not much. Modified coins have no collector value.
No US 1976 Lincoln cent or any other year is made from silver.
They didn't make any special penny that year like with the dollar, so it is only worth its face value, $.01.
There's no way to give a specific answer without knowing the coin's denomination, but anything from 1976 is still worth face value (except for the penny, which is worth about 2 cents for its copper content).
Only dollars, half dollars an quarters dated 1776-1976 are "Bicentennial" coins. Dimes, nickels and cents are face value.
They are worth about 6 or 7 dollars the last time I checked. I have a bunch of them. Quarters are worth about 15 dollars. I once had a penny with a nickel stamped on it, I sold it for $80.
The US did not make bicentennial pennies like they did with the quarter, half dollar, and dollar coin.
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The U.S. Mint never issued such a coin. In all likelihood you have a privately-issued commemorative piece. Most of these small items sell for at most a couple of dollars, and the market is fairly limited these days. What you have is a normal 1976 penny that somebody has plated with either silver, nickel, or zinc. Now a novelty item it has no collector value.
Your coin is only plated silver. The US mint has never made silver pennies. Plating adds no extra value.