Coins With Mercury

1917 Liberty Silver Half Dollar: 365 ppm Lead + 203 ppm Mercury (899,400 ppm Silver). Not a good fidget for kids.

1917 Liberty Silver Half Dollar: 365 ppm Lead + 203 ppm Mercury (899,400 ppm Silver). Not a good fidget for kids.

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Silver coin 60-second reading Lead (Pb): 365 +/- 43 ppm Cadmium (C): non-detect Mercury (Hg): 203 +/- 54 ppm Bromine (Br): 19 +/- 11 ppm Chromium (Cr): non-detect Vanadium (V): 794 +/- 522 Copper (Cu): 95,300 +/- 600 ppm Zinc (Zn): 100 +/- 59 ppm Silver (Ag): 899,400 +/- 1,600 ppm Tin (Sn): 2,920 +/-…