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The Goldsmiths’ Company Assay Office London is the home of Hallmarking and is “your centre for excellence”. Since its formation by Royal Charter in 1327, it has been protecting the jewellery trade and consumers.


There are three marks which are legally required to appear on articles weighing above 7.78 grams.  These are the Sponsor’s mark, the Millesimal Fineness 925 (Purity) mark and the Assay Office mark.


In addition, The Goldsmiths’ Company Assay Office London also apply the optional Traditional Fineness (Lion) mark and the Date (Year) Letter mark.  


Each black daisy product bears our “bdc Sponsor’s mark and all of the aforementioned symbols, including the Assay Office London’s unique Leopard’s Head mark.  









By demanding excellence we achieve excellence!  The Assay Office hallmark is only given to items whose physical composition has been checked and verified to be comprised of the genuine material (silver, gold, platinum, etc.) at the correct purity. These marks therefore provide you with the assurance that you are investing in an authenticated jewellery item.







HALLMARKING …. THE SYMBOL OF EXCELLENCE

Purity mark

(Sterling

Silver)

Traditional

 Fineness

 symbol


the

black daisy company

Sponsor’s mark

Date

(year)

mark


Assay Office

London

 mark



BRAND IDENTITY .…  EQUALS QUALITY