First you must make sure it's not just copper plated -- which is worthless. If you truly have an unfinished planchet error, these have been selling in the $20 to $50 range.
It's worth 2 cents for its copper content.
It's still worth 25 cents.
5 CENTS.
1cent
1963 COPPER penny is worth half a billion dollars.
About $3
D is the mint mark for Denver. Anything minted 1959-1981 is worth 2 cents for its copper content.
It's worth 2 cents for the copper.
About 2 cents.
1 cent
two dollars
It's worth 2 cents for the copper.
It's worth about two cents for the copper.
A 1994 US cent is zinc not copper, spend it.
face value
On average, about 3 cents.