2018 U.S. “Copper” Penny: 579,100 ppm Zinc & 419,200 ppm Copper. No Lead, No Cadmium, No Mercury, No Arsenic.
#AskTamara: This one is for the kids! Q. “Hey Mom! What’s a penny made of?”… XRF test results for a 1976 U.S.A. penny
