Why Are Pennies Made Before 1982 Heavier? Upon changing the composite from solid copper to the zinc and copper alloy, so to did the weigh of the coins themselves. Prior to 1982, a penny made completely of copper was significantly heavier than the zinc and copper alloy counterparts. Why are pre 1982 pennies heavier? While
What Are The 7 Different 1982 Pennies? 1982 brass large date. 1982 brass small date. 1982 zinc large date. 1982 zinc small date. 1982-D brass large date. 1982-D zinc large date. 1982-D zinc small date. How can you tell if you have a 1982 D small date penny? 1982 Small Date Penny vs. You’ve got
What Is The Average Density Of A Penny Before 1982? Then, in 1982 the Mint introduced a penny that is 97.6 percent zinc and only 2.4 percent copper with a density of 7.2 g/mL. By comparison, the old pre-1982 copper pennies were 95 percent copper and 5 percent zinc with a density of 8.8 g/mL.