enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Metals of antiquity - Wikipedia

    en.wikipedia.org/wiki/Metals_of_antiquity

    The earliest gold artifacts were discovered at the site of Wadi Qana in the Levant. [13] Silver is estimated to have been discovered in Asia Minor shortly after copper and gold. [14] There is evidence that iron was known from before 5000 BC. [15] The oldest known iron objects used by humans are some beads of meteoric iron, made in Egypt in ...

  3. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    Ancient India in 6th century BC, was also one of the earliest issuers of coins in the world. [5] The gold Croeseids, issued in Lydia, were the first true gold coins with a standardized purity for general circulation. The gold and silver Croeseids formed the world's first bimetallic monetary system, c. 550 BC. [6]

  4. Platinum as an investment - Wikipedia

    en.wikipedia.org/wiki/Platinum_as_an_investment

    American Platinum Eagle, the official platinum bullion coin of the United States. Investment in platinum is often compared in financial history to gold and silver, which were both known to be used as money in ancient civilizations. Experts posit that platinum is about 15–20 times scarcer than gold and approximately 60–100 times scarcer than ...

  5. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    One of the largest bullion coins in the world was the 10,000-dollar Australian Gold Nugget coin minted in Australia, which consists of a full kilogram of 99.9% pure gold. 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 ...

  6. '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 ...

  7. Platinum coin - Wikipedia

    en.wikipedia.org/wiki/Platinum_coin

    Other countries that have minted commemorative platinum coins include Bulgaria, [10] Congo, [11] Panama, [12] South Africa, Portugal and France. [13] The Estonian issue began on 24 February 2008 – Independence Day – and included silver, gold and platinum coins. The platinum coin was a first for Estonia.

  8. The Harpole Treasure includes one of the most valuable pieces ...

    www.aol.com/harpole-treasure-includes-one-most...

    Ancient Roman Gold And Silver Coins Discovered With Metal Detector Make Impressive Showing At Auction Other finds unearthed from the ancient burial site were two decorated pots, as well as a ...

  9. From Seagull Poop to Plutonium: The Most Valuable ... - AOL

    www.aol.com/gold-caviar-most-valuable-substances...

    This shiny white metal is more valuable than gold. Demand has been skyrocketing recently, with the price more than doubling since early 2019. Like rhodium, palladium’s major use is in catalytic ...