Hallmarking guidance notes
Information from the UK's assay offices giving guidance on the Hallmarking Act 1973.
An explanation of why precious metal articles are hallmarked and the standards for hallmarking precious metal. The official symbols, including sponsor’s or maker’s mark and the metal and fineness (purity) marks are also published in this guide.
Published: 12 July 2013
Updated: 15 November 2016
- Updated guidance on the gold fineness description for gold plated silver articles (page 10).
- Guidance updated to include information on hallmarking Mokume Gane articles containing precious metals.
- added Providing better information and protection for consumers policy tag
- First published.