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  2. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    Many coins throughout history were made of gold, silver and copper. Silver: Gold: Iron: Numerous Chinese cash coins were made of iron, with the first being issued by the Han dynasty in 118 BCE. From 1942 through 1952, some of the Swedish krona coins – such as the 1, 2 and 5 öre – were made of iron. Lead: Most commonly seen in southeast ...

  3. Coining (mint) - Wikipedia

    en.wikipedia.org/wiki/Coining_(mint)

    Striking a coin refers to pressing an image into the blank metal disc, or planchet, and is a term descended from the days when the dies were struck with hammers to deform the metal into the image of the dies. Modern dies made out of hardened steel are capable of producing many hundreds of thousands of coins before they are retired and defaced.

  4. List of Chinese cash coins by inscription - Wikipedia

    en.wikipedia.org/wiki/List_of_Chinese_cash_coins...

    These iron cash coins have the character Min (Chinese: 閩; pinyin: mǐn) on the reverse and comes from the Fujian region. There is a crescent below. One of these large Yonglong Tongbao coins was worth 10 small coins and 100 lead coins. A string of 500 of these poorly made Min iron coins were popularly called a kao ("a manacle"). 942: Wang Yanxi

  5. Ancient Chinese coinage - Wikipedia

    en.wikipedia.org/wiki/Ancient_Chinese_coinage

    They are made of iron and have two forms with either small or large characters. The small character iron coins are associated with casting in Shaanxi and Shanxi in the Qing Li period (from 1044). The large character iron coins are associated with Sichuan mints. The histories say that the Huang Song coin was cast in Baoyuan 2 – 1039.

  6. Kan'ei Tsūhō - Wikipedia

    en.wikipedia.org/wiki/Kan'ei_Tsūhō

    As the price of copper remained high, most 1 mon Kan'ei Tsūhō still being produced were made of iron while most copper-alloy coins that were being produced were Kan'ei Tsūhō with a face value of 4 mon, and from 1835 Tenpō Tsūhō cash coins with a face value of 100 mon. Iron Kan'ei Tsūhō coins tend to have less clear inscriptions and the ...

  7. Group 11 element - Wikipedia

    en.wikipedia.org/wiki/Group_11_element

    Inflation has caused the face value of coins to fall below the hard currency value of the historically used metals. This had led to most modern coins being made of base metals – copper nickel (around 80:20, silver in color) is popular as are nickel-brass (copper (75), nickel (5) and zinc (20), gold in color), manganese-brass (copper, zinc ...

  8. History of coins - Wikipedia

    en.wikipedia.org/wiki/History_of_coins

    Coins were first made of scraps of metal by hitting a hammer positioned over an anvil. The Chinese produced primarily cast coinage, and this spread to South-East Asia and Japan. Although few non-Chinese cast coins were produced by governments, it was a common practice amongst counterfeiters. Electrum coin from Ephesus, 650-625 BC.

  9. Category:Coinage metals and alloys - Wikipedia

    en.wikipedia.org/wiki/Category:Coinage_metals...

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