How to use assay mark in a sentence? Find typical usage patterns (collocations)/phrases/context for "assay mark" and check conjugation/comparative form for "assay mark". Mastering all the usages of "assay mark" from sentence examples published by news publications.
Both standards are marked with the head of Minerva inclusive of a numeral 1 or 2 to indicate the standard. French silver made for export carries an assay mark in the shape of the head of Mercury, along with a number to indicate the millesimal fineness: "1" for .920, "2" for .840 and "3" for .750.
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Since the year 1838, the French assay mark for items made of solid silver is the head of the goddess Minerva in profile. The French have two standards for silver purity or fineness. The higher is 950 parts per thousand, or 95% silver referred to as 1st Standard. The lower grade of silver is 800 parts per thousand, or 80% silver referred to as 2nd Standard.
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As well as producing cutlery, scissors and silverware, Thomas Bishop was granted his own assay mark in 1830 to produce Old Sheffield Plate (copper coated with silver by fusion). From 1840–1860 nickel silver gradually superseded the use of copper, and articles were produced by the aid of both processes; though the bodies of the larger pieces continued to be constructed of fused plated metal, the other parts were subjected to the process of electro deposition. "Guide to Marks of Origin on British and Irish Silver Plate from Mid 16th Century to the year 1950 and Old Sheffield Plate Makers' Marks 1743 - 1860" compiled by Frederick Bradbury F.S.A.(1950). This was done within the Globe Works premises.
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In March 2018 the British Hallmarking Council announced that UK Assay Office marks struck offshore must be distinguishable from those struck in the UK. It is likely that an 'offshore' assay mark will have to be added to signify that the item was not assayed in the UK. 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 1000). Examples of British hallmarks for 925 silver. These are shown in the top of the two example hallmarks. The bottom example shows the extra marks that can also be struck, the lion passant, indicating Sterling silver, the date mark (lowercase a for '2000'), and in this example, the 'Millennium mark', which was only available for the years 1999 and 2000.
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