Most Lincoln pennies minted before 1982 were made of 95% copper. Each penny weighing in at 3.11 grams yields 2.95 grams of pure copper. It takes approximately 151 pennies (pre 1982) to yield 1 pound of pure...
From 1944 to 1946, just as World War 2 was winding down, cartridge cases (the case of a gun bullet after being shot) were salvaged to make Lincoln cents. There is virtually no difference in the appearance of...