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  2. Nickel (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Nickel_(United_States_coin)

    A nickel is a five-cent coin struck by the United States Mint.Composed of cupronickel (75% copper and 25% nickel), the piece has been issued since 1866.Its diameter is 0.835 inches (21.21 mm) and its thickness is 0.077 inches (1.95 mm).

  3. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    Magnesium is a minor additive in many aluminum coins; this alloy is called magnalium. Nickel: Used unknowingly in alloys since antiquity. The first pure nickel coin was the Swiss 20 Rappen of 1881. A book published by the International Nickel Company of Canada in 1933 lists dozens of coins minted out of nickel. Platinum

  4. 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 ...

  5. Cupronickel - Wikipedia

    en.wikipedia.org/wiki/Cupronickel

    In decorative use, a cupronickel alloy called nickel silver is common, although it contains additional zinc but no silver. Another common 20th-century use of cupronickel was silver-coloured coins. For this use, the typical alloy has 3:1 copper to nickel ratio, with very small amounts of manganese.

  6. Are Blank Coins Valuable? If You Can Find One, It Could Be ...

    www.aol.com/finance/blank-coins-valuable-one...

    As the U.S. Coins Guide noted, it begins during the minting process, which involves “stamping out round pieces of metal from a larger sheet of metal” in what is called the “blanking” process.

  7. 9 Rare American Coins That Are Worth a Lot of Money - AOL

    www.aol.com/finance/9-rare-american-coins-worth...

    Rare and valuable American coins come in numerous denominations, designs and metal compositions, and they can sell for anywhere from a couple hundred dollars to a few million. Although the priciest...

  8. Nickel - Wikipedia

    en.wikipedia.org/wiki/Nickel

    99.9% nickel five-cent coins were struck in Canada (the world's largest nickel producer at the time) during non-war years from 1922 to 1981; the metal content made these coins magnetic. [66] During the war years 1942–1945, most or all nickel was removed from Canadian and US coins to save it for making armor. [ 60 ]

  9. This 1971 Jefferson Nickel Is Worth Upwards of $2,000 ... - AOL

    www.aol.com/finance/1971-jefferson-nickel-worth...

    U.S. coins worth five cents have been around since 1794, but they were called "half dimes" during the early decades. The term "nickel" wasn't (um) coined until 1866, though the smaller half dime...

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