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  2. Coin cleaning - Wikipedia

    en.wikipedia.org/wiki/Coin_cleaning

    These coins are graded with a description which lowers the coin's value by 90%. [14] [16] Dipping: The coin is dipped into a dilute acid solution that removes the oxidation from the coin along with a small amount of metal. Overdipped coins result in loss of luster which lowers the coin's grade and appeal. [12] [9] Ivory soap and Water

  3. 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.

  4. Toning (coin) - Wikipedia

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

    Toning patterns may cover an entire coin, just one side, or just one area. Coins which have sat stacked in bags for a long time can develop crescent toning, where the toned coin was partially covered by one sitting off-center on top of it. This is common with Morgan dollars, which were typically delivered to and stored in banks in large cloth bags.

  5. 'Pawn Stars:' Why a rare coin worth six figures sold for much ...

    www.aol.com/entertainment/2014-12-12-pawn-stars...

    On History Channel's hit show "Pawn Stars," a man came in to sell a 1907 Saint-Gaudens double eagle $20 gold coin. The coins are extremely rare, and some of them have sold for more than $1 million ...

  6. Edible gold - Wikipedia

    en.wikipedia.org/wiki/Edible_gold

    Gold usually undergoes one of these processes: it could be hammered, or pounded and rolled, or just a leaf or powder. In the first case, the gold needs to reach the measure of about 1/8000 of a millimeter thick, in the second one it could be used as a normal leaf (the measure depends on the purpose) or smashed in powder. [1]

  7. Gold Coins and Bars: 5 Strategies To Get the Best Possible ...

    www.aol.com/gold-coins-bars-5-strategies...

    In terms of specific places to sell gold bars and/or coins, choices include the United States Gold Bureau and dealers/platforms such as Cash for Gold USA, Express Cash Gold, Worthy, Sell Your Gold ...

  8. Saddle Ridge Hoard - Wikipedia

    en.wikipedia.org/wiki/Saddle_Ridge_Hoard

    The face value of the coins totaled $27,980, but was assessed to be worth $10 million. The hoard contained $27,460 in twenty-dollar coins, $500 in ten-dollar coins, and $20 in five-dollar coins, all dating from 1847 to 1894. The collection is the largest known discovery of buried gold coins that has ever been recovered in the United States. [1]

  9. Why Costco is selling gold bars and silver coins

    www.aol.com/why-costco-selling-gold-bars...

    Costco recently started selling silver coins for the first time, finance chief Richard Galanti told CNN. The company is selling 25-count tubes of 1 oz. Canada Maple Leaf Silver Coins online for $675.