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"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. Some jewelry described as "silver plate" has a layer of silver applied to a base metal. "Coin silver" is used for compounds that contain 90% pure silver.
Sterling silver. Sterling silver is an alloy composed by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. Fine silver, which is 99.9% pure silver, is relatively soft, so silver is usually alloyed with copper to increase its hardness and strength.
Napier Company (jewellery) The Napier Company (1922-present). Flask, 1925-1930. Sterling silver and cork, 9 5/8 x 4 1/2 x 1 3/16in. (24.4 x 11.4 x 3cm). Brooklyn Museum, Modernism Benefit Fund. Napier necklace with tag. The Napier Company is an American jewelry manufacturing company, and was one of the first modern corporations in the United ...
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 the year 2000), and in this example, the 'Millennium mark', which was only available for the years 1999 and 2000. The bottom example bears the ...
The alloy is 95.84% pure silver and 4.16% copper or other metals. The Britannia standard was developed in Britain in 1697 to help prevent British sterling silver coins from being melted to make silver plate. It was obligatory in Britain between 1697 and 1720, when the sterling silver standard was restored. It became an optional standard ...
Gorham Silver was founded in Providence, Rhode Island, 1831 by Jabez Gorham, [3] a master craftsman, in partnership with Henry L. Webster. [4] The firm's chief product was spoons of coin silver. The company also made thimbles, combs, jewelry, and other small items.