what year was the last solid copper produced?
1982 - pre-1982 copper cent contains 2.447 cents worth of copper
1981- Copper was getting to expensive, so the made copper coated zinc pennies.
The last solid copper (100% copper) penny was produced in 1837! Below are the dates and copper values contained in the United States penny: 1793 to 1837 – 100% Copper 1837 to 1857 – 95% Copper and 5% Zinc (Bronze) 1857 to 1864 – 88% Copper and 12% Nickel 1864 to 1942 – 95% Copper and 5% Zinc + Tin 1943 to 1943 – 0% Copper, 97% Iron/Steel, and 3% Zinc 1944 to 1962 – 95% Copper and 5% Zinc + Tin 1962 to 1982 – 95% Copper and 5% Zinc (Bronze) 1983 to 2007 – 97.5% Zinc and 2.5% Copper
