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The BIS system of hallmarking of gold jewellery began in April 2000. The standard specifications governing this system are IS 1417 (grades of gold and gold alloys, jewellery/artefacts), IS 1418 (assaying of gold in gold bullion, gold alloys and gold jewellery/artefacts), IS 2790 (guidelines for manufacture of 14, 18 and 22 carat gold alloys only ), IS 3095 (gold solders for use in manufacture ...
A hallmark is an official mark or series of marks struck on items made of metal, mostly to certify the content of noble metals—such as platinum, gold, silver and in some nations, palladium. In a more general sense, the term hallmark is used to refer to any standard of quality.
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 ...
Other hallmarks include a hammer, and three "X" marks. William B. Kerr & Co. newark, New Jersey Ca. 1880s - 1927 Well regarded for Art Nouveau jewelry, holloware and vanity items. Absorbed into Gorham in 1927.
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The old hallmarks were as unique as today's logos, and disputes often arose when one company copied another's stamp. [citation needed] "The words "silver" and "sterling silver" describe a product that contains 92.5% pure silver. Silver products sometimes may be marked 925, which means that 925 parts per thousand are pure silver.
Certification marks. The state enforced certification marks presently in India are (alphabetical list): Agmark: for all agricultural products. [2][3] BIS hallmark: certifies the purity of gold jewellery. Ecomark: an ecolabel for various products issued by the Bureau of Indian Standards. Voluntary and promotional.
Website. balfour.com. Balfour is an American producer of high school, college, military, and championship rings, as well as yearbooks, caps and gowns, and graduation announcements. Founded in 1913 as the L. G. Balfour Company, Balfour is an operating unit of Commemorative Brands, Inc., a subsidiary of American Achievement Corporation.