Johnson Bros. Willow pattern china. Post 1912, England. 43,100 ppm Lead in the glaze. 90 ppm (& up) is unsafe.*

This vintage Johnson Bros. blue Willow pattern shallow bowl/ saucer (made in England), was likely made after 1912 (based on the back mark, source.)

Related: #AskTamara: What do you use to test for Lead?

As with nearly all of the Willow pattern china I have tested, it was positive for very high (unsafe) levels of lead when tested with an XRF instrument. In general I would recommend not using these dishes for food use purposes, ever. [More info about the concerns here.]

If you have more information (or links) about dating the piece (based on the back mark) please let me know!

The test results for this particular dish:

• Lead (Pb): 43,100 +/- 1,700 ppm
• Mercury (Hg): Negative (ND/ non-detect)
• Arsenic (As): Negative (ND/ non-detect)
• Cadmium (Cd): Negative (ND/ non-detect)
• Tin (Sn): 99 +/- 24 ppm
• Barium (Ba): 424 +/- 93 ppm

As always, please let me know if you have any questions!

To see more Willow pieces I have tested, click here.

Tamara Rubin
#LeadSafeMama

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