Johnson Brothers Wedgwood Group Blue Willow Earthenware Octagonal Plate: 52,400 ppm Lead [90 is unsafe!]
Johnson Bros. Willow pattern china. Post 1912, England. 43,100 ppm Lead in the glaze. 90 ppm (& up) is unsafe.*
Vintage English Johnson Brothers Mill Stream Ceramic Ironstone Plate: 54,700 ppm Lead, 90 ppm is unsafe for kids.
Vintage Sheraton Pattern English Saucer by Johnson Brothers: 77,498 ppm Lead [90 ppm Lead is unsafe for kids.]