Vintage China “1424”; 2,989 ppm Lead. 90 ppm Lead (& up) is considered unsafe in items used by children.
Vintage China, #1424 (no other information about maker). Tested with an XRF instrument. Positive for lead at 2,989 +/- 121 ppm. For context: the amount of lead that is considered toxic in an item intended for children is anything 90 ppm or higher. Vintage dishware is not regulated for total lead content as detectible with…