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  2. Krugerrand - Wikipedia

    en.wikipedia.org/wiki/Krugerrand

    This huge success of the Krugerrand encouraged other gold-producing countries to mint and issue gold bullion coins of their own, including the Canadian Gold Maple Leaf in 1979, [15] the Australian Nugget in 1987, [15] [16] the Chinese Gold Panda in 1982, [17] [18] the American Gold Eagle in 1986, [15] [17] and the British Britannia coin in 1987.

  3. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    24-carat gold is pure (while 100% purity is very difficult to attain, 24-carat as a designation is permitted in commerce for a minimum of 99.95% purity), 18-carat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold), 12-carat gold is 12 parts gold (12 parts another metal), and so forth.

  4. United States Mint coin sizes - Wikipedia

    en.wikipedia.org/wiki/United_States_Mint_coin_sizes

    Seven distinct types of coin composition have been used over the past 200 years: three base coin alloys, two silver alloys, gold, and in recent years, platinum and palladium. The base metal coins were generally alloys of copper (for 2 cent coins and lower), and copper/nickel (for 3 and 5 cent coins). Copper/nickel composition is also used for ...

  5. Gold coin - Wikipedia

    en.wikipedia.org/wiki/Gold_coin

    Gold coins for sale at the Dubai Gold Souk. A gold coin is a coin that is made mostly or entirely of gold.Most gold coins minted since 1800 are 90–92% gold (22‑karat), while most of today's gold bullion coins are pure gold, such as the Britannia, Canadian Maple Leaf, and American Buffalo.

  6. Sovereign ring - Wikipedia

    en.wikipedia.org/wiki/Sovereign_ring

    A sovereign ring is a ring which typically has a gold sovereign as a primary decorative feature, with the obverse face as the visible detail. The coin may be either genuine or replica tender, and may be either a sovereign or half sovereign.

  7. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    Silver coins from about 700 BC are known from Aegina Island. [3] Early electrum coins from Ephesus, Lydia, date from about 650 BC. [4] Ancient India in 6th century BC, was also one of the earliest issuers of coins in the world. [5] The gold Croeseids, issued in Lydia, were the first true gold coins with a

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