Protecting the Consumer and Servicing
the Trade with Independence and Integrity

Compulsory Marks

 

COMPULSORY MARKS

The Sponsor's Mark

Sponsors MarkThis is the unique mark of the company or person responsible for sending the article for hallmarking.

The sponsor may be the manufacturer, importer, wholesaler, retailer or an individual. To obtain a sponsor’s mark you must register with an assay office.

The Standard Mark

This shows the fineness of the metal – ie purity of the precious metal content in parts per 1000 in relation to the standard recognised in the UK. For example 750 parts per 1000 by weight is equivalent to the old 18 carat gold standard. The alloy must be at least 750 parts per 1000 to be marked as such. There is no negative tolerance.

Gold

gold standard marks

Silver

silver standard marks

Platinum

Platinum Standard Marks

Palladium

palladium standards

The Assay Office Mark

This symbol shows which assay office tested and marked the item. The Anchor is the symbol of Assay Office Birmingham .

assay office marks

 

 

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