Cultured pearl and 585 gold brooch stamped 585 and a w or m in a circle? How do i upload a photo?
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similar hallmark in a ring by: Lidia
I have a ring with similar hallmark, it also has the 750 markings with the same font. This is a blue topaz modern ring in gold and silver. I will also be interested in the maker
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M within a circle 18k Gold Jewelry Hallmark by: Anonymous
This hallmark is John Hardy. You probably have a piece from one of his collections.