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  2. Error bar - Wikipedia

    en.wikipedia.org/wiki/Error_bar

    This statistics -related article is a stub. You can help Wikipedia by expanding it.

  3. Mint-made errors - Wikipedia

    en.wikipedia.org/wiki/Mint-made_errors

    Like other coins, the value of errors is based in part on rarity and condition. In general, lower denomination errors are less expensive than higher denomination errors simply because more such coins are minted resulting in available errors. Due to improvements in production and inspection, modern errors are more rare and this impacts value. [3]

  4. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    In 2012, the Perth Mint produced a 1-tonne coin of 99.99% pure gold with a face value of $1 million AUD, making it the largest minted coin in the world with a gold value of around $50 million AUD. [2] China has produced coins in very limited quantities (less than 20 pieces minted) that exceed 8 kilograms (260 ozt) of gold.

  5. Sovereign (British coin) - Wikipedia

    en.wikipedia.org/wiki/Sovereign_(British_coin)

    The sovereign is a British gold coin with a nominal value of one pound sterling (£1) and contains 0.2354 troy ounces (113.0 gr; 7.32 g) of pure gold.Struck since 1817, it was originally a circulating coin that was accepted in Britain and elsewhere in the world; it is now a bullion coin and is sometimes mounted in jewellery.

  6. File:Gold Spot Price per Gram from Jan 1971 to Jan 2012.svg

    en.wikipedia.org/wiki/File:Gold_Spot_Price_per...

    English: This chart shows the nominal price of gold along with the price in 1971 and 2011 dollars (adjusted based on the consumer price index). The historical gold price was obtained from www.igolder.com; CPI was obtained from www.rateinflation.com. The data is in section Chart Data.

  7. Gold as an investment - Wikipedia

    en.wikipedia.org/wiki/Gold_as_an_investment

    Gold prices (US$ per troy ounce), in nominal US$ and inflation adjusted US$ from 1914 onward. Price of gold 1915–2022 Gold price history in 1960–2014 Gold price per gram between Jan 1971 and Jan 2012. The graph shows nominal price in US dollars, the price in 1971 and 2011 US dollars.

  8. Gold fixing - Wikipedia

    en.wikipedia.org/wiki/Gold_fixing

    A sell limit order is not executed unless the price is above a preset value. A buy limit order is not executed unless the price is below a preset value. The lead participant will begin the fixing process by proposing a price near the current gold spot price. The participants then simulate the result of trading at that price.

  9. Die-deterioration doubling - Wikipedia

    en.wikipedia.org/wiki/Die-deterioration_doubling

    The planchet is therefore struck at room temperature, and the only thing which makes the coin form is the tremendous pressure used to strike it. With a metal such as nickel, which is harder than a normal coin metal like silver, gold or copper, the pressure must be greater. When a nickel coin, or any coin, is struck, the metal must "flow" into ...