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hallmark |
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hallmarkOfficial mark stamped on British gold, silver, and (from 1913) platinum, instituted in 1327 (royal charter of London Goldsmiths) in order to prevent fraud. After 1363 personal marks of identification were added. Now tests of metal content are carried out at authorized assay offices in London, Birmingham, Sheffield, and Edinburgh; each assay office has its distinguishing mark, to which is added a maker's mark, date letter, and mark guaranteeing standard. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The Metallurgical Laboratory & Gold Refinery is centrally located, just adjacent to the Airport of Cagayan De Oro, for easy access and transport of the gold & silver powders to Geneva, Switzerland for final Hallmarking and Gold Silver Bullion production. |
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