UK Hallmarks

The sponsor's mark, fineness mark and the assay office mark are compulsory marks. The crown on gold, the lion passant for 925 silver, the Britannia mark for 958 silver and the orb for 950 platinum and the date letter in all cases are voluntary additional marks.

UK Gold Hallmarks | Sheffield Assay Office

UK Silver Hallmarks | Sheffield Assay Office

UK Platinum Hallmarks | Sheffield Assay Office

UK Palladium Hallmarks | Sheffield Assay Office


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