Hallmarking Principles
Below is information about the structure of hallmarking Jewellery. BiblosGlasgow Jewellery has its own hallmark with The Goldsmith’s Company at The Assay Office.
Below is information about the structure of hallmarking Jewellery. BiblosGlasgow Jewellery has its own hallmark with The Goldsmith’s Company at The Assay Office.
