This depends on the quality of copper; analytical grade copper is more expensive; but generally speaking the cost of 7 g copper is not significant.
500.00
Currently, as of 12-9-12, about $350.00.
To start with a 1990 Lincoln cent is NOT copper, they have been made from ZINC (.992) with a thin copper (.008) plating since 1982. The coin is face value.
Exactly 33,13035046 grams of copper.
0.002? I think, but one pound is worth $0.77... prices change on a daily basis.. As of April 2008, the price per pound of copper, depending on grade of copper, is between $3 - $3.50 May 2010: approx. 9 US cents, but depending on quality. See also the link below.
7 grams of silver would be worth around US$9.00
14.522kg
the old copper cooler is worth 250
Pre 1982 Lincoln cents are worth about 1.5 cents for the copper.
1963 COPPER penny is worth half a billion dollars.
it is worth to be $500,000 depending on how old it is
It's worth 2 cents for the copper.
$0.75
About $3
500.00
A 1994 US cent is zinc not copper, spend it.
The U.S.Mint has never issued a copper dollar.