Information about the seven different Lincoln cent varieties including copper, zinc, large and small dates from 1982. ... government nearly a penny to make a penny. This low profit situation became intolerable. ... You can make your own scale that will differentiate between ZINC and COPPER 1982 cents. read more
The 1982 cents that make the scale go down are copper, and the ones that do not make the scale go down are zinc. Article and Scale Design by Gabe of Gabe's Coins. read more