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  2. Pahlavi Gold Coins - Wikipedia

    en.wikipedia.org/wiki/Pahlavi_Gold_Coins

    The last gold coin of Iran in Toman Currency system; on the commemorative of Nowruz celebration; 1926. The first Pahlavi coins, which were minted from 1926 to 1929, only in gold purity (0.900) and coin margins (oak and olive branches) were similar to Qajar coins, and differs from not only in terms of design, type and timeline, but they changed fundamentally in their weight and calendar system.

  3. American Buffalo (coin) - Wikipedia

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

    The initial 2006 U.S. Mint price of the proof coin was $800. [2] In 2007 the price was $899.95, [3] $1,410 in 2009, [4] and $2,010 in 2011. [5] In addition to requiring a presidential dollar coin series to begin in 2007 and redesigning the cent in 2009, the Presidential $1 Coin Act of 2005 mandated the production of a one-ounce 24-karat gold ...

  4. 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.

  5. List of most expensive coins - Wikipedia

    en.wikipedia.org/wiki/List_of_most_expensive_coins

    List of most expensive coins Price Year Type Grade Issuing country Provenance Firm Date of sale $18,900,000 1933 1933 double eagle: MS-65 CAC United States: King Farouk of Egypt: Sotheby's [1] June 8, 2021 $12,000,000 1794 Flowing Hair dollar: SP-66 CAC United States Neil, Carter Private sale [2] January 24, 2013 $9,360,000 1787 Brasher ...

  6. American Liberty high relief gold coin - Wikipedia

    en.wikipedia.org/wiki/American_Liberty_high...

    The first American Liberty coin was issued in 2015, and new coins have been released every other year since. The coins are struck at the West Point Mint on a 1 oz. 24 karat gold planchet . [ 1 ]

  7. Bahar Azadi Coin - Wikipedia

    en.wikipedia.org/wiki/Bahar_Azadi_Coin

    The last Pahlavi coin minted in 1978 with coinage date of 1979. The first Bahar Azadi (Imami) Coin with the left portrait of Ruhollah Khomeini as seen in Pahlavi gold coins (left head of Mohammad Reza Pahlavi); minted only in 1991. The gold coin has a purity rate of 90% and weighs 8.13598 grams. [citation needed]

  8. Gold dollar - Wikipedia

    en.wikipedia.org/wiki/Gold_dollar

    The gold dollar or gold one-dollar piece is a gold coin that was struck as a regular issue by the United States Bureau of the Mint from 1849 to 1889. The coin had three types over its lifetime, all designed by Mint Chief Engraver James B. Longacre .

  9. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    24-karat gold is pure (while 100% purity is very difficult to attain, 24-karat as a designation is permitted in commerce for a minimum of 99.95% purity), 18-karat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold), 12-karat gold is 12 parts gold (12 parts another metal), and so forth. [20]