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2. Noah's Ark silver coins - Wikipedia

   en.wikipedia.org/wiki/Noah's_Ark_silver_coins

   The Noah's Ark silver coins are Armenian bullion coins issued since 2011. They are available in various sizes with a fine weight between 1 ⁄ 4 ounce and 5 kg in silver of 999/1000 fineness. The 1 troy oz. coin has a nominal value of 500 Drams and is legal tender in Armenia. The coin is produced by the Leipziger Edelmetallverarbeitungs GmbH ...

3. List of mints - Wikipedia

   en.wikipedia.org/wiki/List_of_mints

   Asahi Refining Private [27] United States: Golden State Mint 1974 Private [28] United States: Mason Mint 2015 Private [29] United States: Monarch Precious Metals 2008 Private [30] United States: The Ohio Mint 2021 Private [31] United States: Regency Mint 1999 Private [32] United States: Scottsdale Mint 2008 Private [33] United States: Sunshine ...

4. 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 ...

5. Libertad (coin) - Wikipedia

   en.wikipedia.org/wiki/Libertad_(coin)

   The modern coins contain 99.9% silver or gold (.999 fineness) and are available in various sizes. Both metal coins have undergone a design change. Both metal coins have undergone a design change. In 1989, 3,500 1 ⁄ 4 ounce Libertad platinum coins were produced.

6. Precious metal - Wikipedia

   en.wikipedia.org/wiki/Precious_metal

   1,000 oz silver bar. A metal is deemed to be precious if it is rare. The discovery of new sources of ore or improvements in mining or refining processes may cause the value of a precious metal to diminish. The status of a "precious" metal can also be determined by high demand or market value.

7. Silver standards - Wikipedia

   en.wikipedia.org/wiki/Silver_standards

   This grade of silver is used to make bullion bars for international commodities trading and investment in silver. 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.