Wheat Back Weight New The Number of Pennies in a Pound & Metal Composition 1909- 1942 3.11 grams Copper cents 95.0% copper, Tin and Zinc 5.0% -A top choice for pressing. ~145 per pound 1943 2.70 grams Steel cents coated with zinc -Can be hard on penny press dies. Very hard, tendency to press short. Weighs less than copper! ~168 per pound 1944 - 1946 3.11 grams Copper / brass cents copper 95.0%, Zinc 5.0% -Shell casings added a "brass" color. Nice for the Advanced elongated collector. ~145 per pound 1947 - 1958 3.11 grams Copper cents copper 95.0%, Tin and Zinc 5.0% - A top choice for pressing. ~145 per pound Memorial Back Weight New The Number of Pennies in a Pound & Metal Composition 1959 - 1962 3.11 grams Copper cents copper 95.0% Tin and Zinc 5.0% -A very good choice for pressing. ~145 per pound 1962 - 1982* 3.11 grams Copper cents copper 95.0% Zinc 5.0% -A very good choice for pressing. ~145 per pound I looked it up and as you can see there's 145 to a pound and I'm giving 150.