Description: The Goldsmiths' Company Assay Office: hallmarking in London since 1300. Assaying gold, silver and palladium and platinum. Laser Engraving and Lab Services.
gold (5221) trade (5114) laser (3822) silver (2730) engraving (1028) marking (172) assaying (17) hallmarking (12) goldsmiths company (10) the assay office (10)
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