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2. Jewellery chain - Wikipedia

   en.wikipedia.org/wiki/Jewellery_chain

   Anchor chains with very long and open links are often called Paperclip chains. [14] [15] [16] Anchor (II) or Maritime, Marina or Stud link chain, this too copies the style of the chain that holds large anchors on ships but has an oval link with a dividing bar through the middle. The interlinking sections may be of a Curb or Trace style.

3. Silver standards - Wikipedia

   en.wikipedia.org/wiki/Silver_standards

   In the modern world, fine silver is understood to be too soft for general use. [1] Britannia silver has a millesimal fineness of at least 958. 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 ...

4. Sterling silver - Wikipedia

   en.wikipedia.org/wiki/Sterling_silver

   Fine silver, which is 99.9% pure silver, is relatively soft, so silver is usually alloyed with copper to increase its hardness and strength.Sterling silver is prone to tarnishing, [1] and elements other than copper can be used in alloys to reduce tarnishing, as well as casting porosity and firescale.

5. List of jewellery types - Wikipedia

   en.wikipedia.org/wiki/List_of_jewellery_types

   This page was last edited on 6 February 2025, at 11:20 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

6. Fineness - Wikipedia

   en.wikipedia.org/wiki/Fineness

   A 2019 American Silver Eagle bullion coin with a fineness of 999 (three nines fine), together with a Walking Liberty half dollar with a fineness of 900 (one nine fine); this latter alloy is also often referred to as 90% silver or coin silver. 999.99—five nines fine: The purest silver ever produced. This was achieved by the Royal Silver ...

7. Napier Company (jewellery) - Wikipedia

   en.wikipedia.org/wiki/Napier_Company_(jewellery)

   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. The Napier Company is an American jewelry manufacturing company, and was one of the first modern corporations in the United States. The company is also known historically as a cutting-edge silver object ...