The U.S.Mint has never issued a copper dollar.
A 1999 US 1 cent coin is 99% Zinc not copper but it's still worth 1 cent
If it's a US 1 cent coin it's zinc not copper and value is 1 cent
It's just a presidential dollar coin value is $1.00
Unless the coin has an "S" mintmark and was found in a US mint set, it is copper and nickel, not a rare issue and is worth only $1.
Exactly the value of the copper in the coin. No more. The current price of copper is about $3.50 pound. So your coin just has sentimental value.
The U.S.Mint has never issued a copper dollar.
A nickel with copper infused is still worth 5 cents, as the metal composition of the coin is what determines its value. The added copper may change the appearance of the coin but not its monetary worth.
Soldo
copper-nickel and its worth 2.00$
A former U.S copper coin worth one dollar
An amount of copper that size is probably worth very little (not even enough to be exchanged for cash).
A 1999 US 1 cent coin is 99% Zinc not copper but it's still worth 1 cent
considered common, this copper/nickel coin is worth about 10 cents
This coin is common and is worth 2 to 5 cents in circulated condition.
It's worth 2 cents for the copper.
A coin of this nature must be seen to determine why it appears to be made of copper instead of the copper/nickel other nickels are made of. I suggest you take it to a coin shop and have it appraised.