Hallmarks and Symbols for Precious Metals

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A handy guide showing some of the markings associated with UK hallmarks. From the Assay Office symbols, through to the Sponsor's Mark and optional Date Mark, a handy and user friendly guide which takes you through some of the typical hallmarking symbols in use in the UK.

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Hallmarks and Symbols for Precious Metals

  1. 1. Hallmark Guide for Gold & Precious Metals Click to continue
  2. 2. Assay OfficesUK Assay Offices & Symbols
  3. 3. The Assay Offices of Great BritainLondon Birmingham Sheffield Edinburgh
  4. 4. Metal TypesOptional fineness marks appearing within hallmarks
  5. 5. Precious Metal Fineness SymbolsSterling Silver + (Scotland) Britannia Silver Palladium Gold Platinum
  6. 6. Convention MarksSilver Palladium Gold Platinum
  7. 7. Convention Hallmark ExampleSponsor Control Mark Fineness Assay Office
  8. 8. Date Mark (Also Optional) Examples here for 2008 onwards
  9. 9. Date Mark (Optional)2008 2009 2010 2011 2012 2013
  10. 10. Fineness (Purity) Figure in black represents typical purity used in UK Eg. Gold 375 = 37.5% Gold contentSilver 800, 925, 999Gold 375, 585, 750, 916, 990, 999Palladium 500, 950, 999Platinum 850, 900, 950, 999
  11. 11. The HallmarkWhat does a hallmark look like?
  12. 12. 3 Compulsory SymbolsMust be included within the hallmark
  13. 13. Compulsory SymbolsSponsor Purity (Fineness) Assay Office
  14. 14. Sponsor MarkUsually the company requesting the hallmark Abbreviations within a shield shape No two marks are the same
  15. 15. Purity Symbols for Precious Metals Silver Palladium Gold Platinum Sponsor Purity Assay Office
  16. 16. Assay Offices MarksLondon Birmingham Sheffield Edinburgh
  17. 17. Further Information British Hallmarking Councilwww.bis.gov.uk/britishhallmarkingcouncil

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