Hallmarking: how businesses can comply with the law

How to comply with hallmarking law if your business supplies items described as precious metal (gold, silver, platinum or palladium).

Use the hallmarking guidance

An explanation of why precious metal iterms are hallmarked, the standards of hallmarking and the official symbols.

The Assay Offices have produced hallmarking guidance notes which cover:

  • why are precious metal items hallmarked
  • what needs to be hallmarked
  • what are the precious metal standards for hallmarking
  • what are the minimum requirements of a hallmark
  • how to get a sponsor’s mark
  • use of more than one precious metal in an article
  • use of non-precious metals combined with precious metals
  • hallmarking gold plated silver items and Mokume Gane
  • exempt articles
  • adhesives and solder; filled hollow articles; plated articles; making an alteration to a hallmarked article
  • guidance on describing precious metals
  • use of the words ‘silver’, ‘palladium’, ‘gold’ and ‘platinum’ when used to describe base metal jewellery and watches.

Display the Dealer’s Notice

Under the Hallmarking Act 1973 all dealers supplying precious metal items must display a notice explaining the approved hallmarks. This must be in the form produced by the British Hallmarking Council.

Display this notice in your premises where customers can see it.

The notices are available in 3 formats:

  • downloadable PDF: this must be printed out in black and white (minimum 300dpi, A4 size) and clearly displayed on your premises, available from any of the 4 Assay Office websites
  • hard copy, available from the 4 Assay Offices at a cost of £10 each including VAT + postage costs
  • hi-resolution artwork - contact any 1 of the 4 Assay Offices for an electronic version allowing retailers to print their own hard copies using a professional printer

Contact the Assay Offices or download from their websites:

Example of dealer's notice in black and white

Example Dealer's Notice

Published 23 August 2019