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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. Tiffany & Co. pitcher ( c. 1871 ) having paneled sides and repoussé design with shells, scrolls and flowers; top edge is repousse arrowhead leaf design
In 1158, a new coinage was introduced by King Henry II (known as the Tealby penny), with a Tower Pound (5,400 grains, 349.9 g) of 92.5% silver minted into 240 pennies, each penny containing 20.82 grains (1.349 g) of fine silver. [46] Called sterling silver, the alloy is harder than the 99.9% fine silver that was traditionally used, and sterling ...
At the time of the 1702 London Mint Assay by Sir Isaac Newton, the silver content of British coinage was defined to be one troy ounce of sterling silver for 62 pence, or 502 mg per penny. Therefore, the value of the monetary pound sterling was equivalent to only 3.87 troy ounces (120 g) of sterling silver. This was the standard from 1601 to 1816.
4 Etymology. 5 History. ... Silver is a chemical element; ... Western concert flutes are usually plated with or made out of sterling silver; [112] ...
Sterling silver is the traditional material from which good quality cutlery is made. Historically, silver had the advantage over other metals of being less chemically reactive. Chemical reactions between certain foods and the cutlery metal can lead to unpleasant tastes.
Silversmiths saw or cut specific shapes from sterling and fine silver sheet metal and bar stock; they then use hammers to form the metal over anvils and stakes. Silver is hammered cold (at room temperature). As the metal is hammered, bent, and worked, it 'work-hardens'. Annealing is the heat-treatment used to make the metal soft again. If metal ...
Some jewellery is plated to give it a shiny, reflective look or to achieve a desired colour. Sterling silver jewellery may be plated with a thin layer of 0.999 fine silver (a process known as flashing) or plated with rhodium or gold. Base metal costume jewellery may also be plated with silver, gold, or rhodium for a more attractive finish.
Silver would be the basis for Frankish coinage from then on. The denier was minted in France, Cyprus and parts of the Italian peninsula for the whole of the Middle Ages, in states such as the patriarchate of Aquileia , the Kingdom of Sicily , the Republic of Genoa , the Republic of Siena , Kingdom of Cyprus , and the crusader state Kingdom of ...