“Old Town Blue” Pattern Vintage Pyrex Tea Cup, c.1972 – 1982: 17,700 ppm Lead [90 ppm is unsafe for kids.]
Vintage Johnson Bros. Hearts & Flowers Mug: 50,600 ppm Lead. 90 ppm Lead (& up) is unsafe & illegal for new items made for use by kids.
1972 Handmade Christmas Mug / Teacup: 90,900 ppm Lead + 9,617 ppm Cadmium Too! [90 ppm Lead is unsafe for kids.]