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The hallmark for sterling silver varies from nation to nation, often using distinctive historical symbols, although Dutch and UK Assay offices no longer strike their traditional hallmarks exclusively in their own territories and undertake assay in other countries using marks that are the same as those used domestically.
Only London and Edinburgh assay offices now strike marks exclusively in the UK. As it now stands, the compulsory part of the UK hallmark consists of the sponsor or maker's mark, the assay office mark, and the standard of fineness (in this case silver, 925 parts in 1,000). Examples of British hallmarks for 925 silver
The Birmingham Assay Office, one of the four assay offices in the United Kingdom, is located in the Jewellery Quarter, Birmingham.The development of a silver industry in 18th century Birmingham was hampered by the legal requirement that items of solid silver be assayed, and the nearest Assay Offices were in Chester and London. [1]
The Leopard's head hallmark over time. Precious metals are rarely used in their pure form, as they are too soft. Gold, silver, platinum and palladium are generally mixed (alloyed) with copper or other metals to create an alloy that is more suitable to the requirements of the jeweller or silversmith.
Assay offices are institutions set up to assay (test the purity of) precious metals. This is often done to protect consumers from buying fake items. Upon successful completion of an assay (i.e. if the metallurgical content is found be equal or better than that claimed by the maker and it otherwise conforms to the prevailing law) the assay offices typically stamp a hallmark on the item to ...
All About Antique Silver with International Hallmarks. AAA Publishing. ISBN 978-0-9785168-0-2. "Hallmarking Act". Archived from the original on 5 February 2007 "Hallmarking Law". British Hallmarking Council. Archived from the original on 6 April 2010
The assay office marks - from left to right, London, Birmingham, Sheffield, and Edinburgh. The Edinburgh Assay Office is the last remaining Assay Office in Scotland and one of four which remain in the United Kingdom. The Edinburgh Assay Office traces its hallmarking history back to 1457 [1] when the first hallmarking act of Scotland was created ...
Originally, only silver produced within twenty miles of Sheffield could be marked at the office. From 1784, Sheffield was empowered to keep a register of all maker's marks within one hundred miles, including those of Birmingham. Sheffield Assay Office, October 2008. In 1795, after several moves, an office was established on Fargate. In 1880 it ...