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Hi... when you see P 10k or 10k P on a piece of jewelry, it means that the purity of the gold is guaranteed to be 10k or better. The "P" means PLUMB it is a higher purity of gold making it a better quality. "P" does not mean any kind of plating. Gold plating marks are as follows: GP, RGP, HGE, GF.

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8y ago

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