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  2. Vienna Philharmonic (coin) - Wikipedia

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

    The gold Philharmonic has a fineness of 999.9 (often written 0.9999, also known as 24 karat or 99.99% pure). [4] In most countries in Europe, the gold Philharmonic is traded VAT-free while the Silver Philharmonic is partly subject to a reduced VAT rate. The coins are minted according to demand and production varies from year to year accordingly.

  3. Spanish gold Lynx - Wikipedia

    en.wikipedia.org/wiki/Spanish_gold_Lynx

    The Spanish gold lynx or Spanish doubloon (name for the entire lynx series and successors) is a gold bullion coin issued by the Kingdom of Spain, minted for the first time in 2021 for the Spanish Royal Mint. Its grade is pure gold 999.9 (24 carats) according to Provision 14038 of BOE no. 198 of 2021.

  4. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    For example, knowing that standard 18-carat yellow gold consists of 75% gold, 12.5% silver and the remaining 12.5% of copper (all by mass), the volume of pure gold in this alloy will be 60% since gold is much denser than the other metals used: 19.32 g/cm 3 for gold, 10.49 g/cm 3 for silver and 8.96 g/cm 3 for copper.

  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. Kijang Emas - Wikipedia

    en.wikipedia.org/wiki/Kijang_Emas

    The Malaysian Kijang Emas is the official gold bullion coin of Malaysia and is minted by the Royal Mint of Malaysia. It was first issued on 17 July 2001. [1] Malaysia is the 12th country in the world to issue its own gold bullion coin. [2] The Kijang Emas has a gold purity of 999.9 millesimal fineness or 24 karat. The coins come in ...

  7. Coins of the United States dollar - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_United_States...

    999.9 fine (24 karat) 0.10 ozt (3.11 g) 2008 $10 22.0 mm 0.25 ozt (7.78 g) 2008 $25 27.0 mm 0.50 ozt (15.55 g) 2008 $50 32.7 mm 1.00 ozt (31.10 g) 2006 – present American Liberty high relief gold coin: $100 see article: American Liberty high relief gold coin: 30.61 mm 1.00 ozt (31.10 g) 2015 – present Platinum: American Platinum Eagle

  8. Doré bar - Wikipedia

    en.wikipedia.org/wiki/Doré_bar

    Mint and private assayers would subsequently refine the doré bars to an acceptable purity, 999 fine, gold bullion, with the silver and base metals removed. By the time of the California gold rush , mints were moving away from the age-old process of cupellation to " part " bullion and moving toward the acid refining process developed by chemist ...

  9. Nines (notation) - Wikipedia

    en.wikipedia.org/wiki/Nines_(notation)

    1 troy ounce of four nines fine gold (999.9) Nines are an informal logarithmic notation for proportions very near to one or, equivalently, percentages very near 100%. Put simply, "nines" are the number of consecutive nines in a percentage such as 99% (two nines) [1] or a decimal fraction such as 0.999 (three nines).