1917 Liberty Silver Half Dollar: 365 ppm Lead + 203 ppm Mercury (899,400 ppm Silver). Not a good fidget for kids.
Faux 1922 Peace silver dollar with skeleton head: 1,639 ppm Arsenic. Please don’t use collectable coins as fidgets.
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