Pretty much non-existent. Post-1982 pennies are zinc with a very thin copper coating and contain very little copper of any economic value.
It's worth about 2 cents for the copper.
The value of an 1813 one half penny token varies by where the token originated.
Any golden color is just due to the toning of the outer copper plating. It doesn't add any value to the coin. It is just worth one cent.
As of 2010 its value is One cent in circulated condition. A nice uncirculated one might sell for as much as a quarter.
There is no such coin. The US mint does not a coin out of only one metal.
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.
any copper penny is worth more than its face value.
A 1964 penny with only one side copper is likely a mint error, which can increase its value to collectors. However, the value depends on the specific nature of the error and its overall condition. Generally, such unique errors can be worth significantly more than a typical penny, but it's advisable to have it appraised by a professional to determine its true worth.
U.S. pennies have never been made out of silver. On a 1994-D penny, the silver-colored metal below the copper coating is zinc, NOT silver. It's worth one cent.
Because the rise in value of copper made pennies worth more than one cent.
The value of a copper 1943 penny is $200,000+. However, copper-plated counterfeits are prevalent. In order to test for a counterfeit, run a magnet over the penny. If it doesn't stick, you are now the proud owner one of the rarest mis-struck coins in U.S. Mint history.
The value of an orange one half penny varies by the year of the penny and the condition.