The Edinburgh Assay Office is the last remaining

Assay Office 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 bette ...

Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...

and one of four which remain in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

. The Edinburgh Assay Office traces its hallmarking history back to 1457 when the first hallmarking act of Scotland was created. It is an independent privately run business, owned by the Incorporation of Goldsmiths of the City of Edinburgh. Since 1457, the deacon, or leader of the craft, assayed and marked the members' wares. However, in 1681, a dedicated Assay Master, John Borthwick, was appointed to oversee this task. The incorporation's importance in the life of the city and country was confirmed in 1687 when King James VII granted it a

royal charter A royal charter is a formal grant issued by a monarch under royal prerogative as letters patent. Historically, they have been used to promulgate public laws, the most famous example being the English Magna Carta (great charter) of 1215, but ...

. The Edinburgh Assay Office is housed in a category B

listed building In the United Kingdom, a listed building is a structure of particular architectural or historic interest deserving of special protection. Such buildings are placed on one of the four statutory lists maintained by Historic England in England, Hi ...

, Goldsmiths Hall in the Broughton Street. It is a former church, built in 1816, which was fully refurbished and opened as the assay office in 1999 by

Princess Anne Anne, Princess Royal (Anne Elizabeth Alice Louise; born 15 August 1950) is a member of the British royal family. She is the second child and only daughter of Queen Elizabeth II and Prince Philip, Duke of Edinburgh, and the only sister of King ...

. The assay office primarily tests and hallmarks precious metal. In 1973, the Hallmarking Act was passed, then in 2010

palladium Palladium is a chemical element; it has symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1802 by the English chemist William Hyde Wollaston. He named it after the asteroid Pallas (formally 2 Pallas), ...

became the fourth precious metal to be assayed.

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* {{coord, 55.9573, -3.1888, type:landmark_region:GB, display=title Precious metals Category B listed buildings in Edinburgh 1457 establishments in Scotland Product-testing organizations