An explanation of why precious metal articles are hallmarked and the standards for hallmarking precious metal. The official symbols, including sponsors or makers mark and the metal and fineness (purity) marks are also published in this guide.
Published 12 July 2013 Last updated 30 December 2022 +show all updates
Updated version of Hallmarking practical guidance published.
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.
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