Gold wedding set (c. 2016): 5,527 ppm Mercury, 1,214 ppm Arsenic (+ Gold, Silver, Titanium & Copper).
#SaferChoices: How to choose jewelry that is Lead-free, Cadmium-free & otherwise safe from a toxicant perspective
Modern White Fiestaware Tea Cup: 40 ppm Lead when tested with an XRF instrument (safe by all standards).