Pottery Cobalt

Vintage Fiesta Dinnerware, is it safe to use?

Hello, I know the Red/Orange Fiesta Ware from the pre WWII days had lead in the pottery...however the other original colors such as green, yellow, cobalt blue, ivory.....is it safe to use? I acquired a few pieces, and wondered if it would be safe to put in microwave or eat off of. Any fiestaware collectors that know..I would appreciate any comments on this. THANKS!!

DO NOT PUT IT IN THE MICROWAVE! There is a lead test pen that is available at hardware stores, and maybe even Wal Mart.
It's sort of like the pen you use to test money. The ink will turn if there is lead in the test subject. Check in the paint department. Or look online.

Make Cobalt and Manganese Nitrates

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