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what does O mean on a gold necklace
9 carat
I think it means 10k gold
Gold Plated
What does the symbol TB mean on hook of necklace
your rich
It is 18 carate gold
Just hanging
Most likely a makers mark.
What does gfm stamp mean on a gold chain necklace
British Units
Most likely it is Gold shell (gold plated) But it could be a jewelers mark.