What do the markings DBP AD mean on my antique pearl earrings?
Question by Isabel G: What do the markings DBP AD mean on my antique pearl earrings?
Best answer:
Answer by melodyahol
For jewelry, when you see DBP, it usually means Formaldehyde. I am not sure about the AD. I would call a jeweler and see what they say.
Good luck and sorry I couldn’t be of more help to you.
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