vineri, 4 decembrie 2015

SUA va lansa o monedă comemorativă de 100 $ din platină - 04.12.2015

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December 3rd Today the Mint of the United States has put the sale of their currencies more expensive and exclusive investment. It is the American Eagle Platinum, currency comprising one ounce of platinum. Output, each of the 4,000 coins that have been minted, have a price of $ 1,200, the sale being limited to one per household.

The obverse of the coin depicts the "Portrait of Liberty." Liberty looks to the future in this modern interpretation of this American icon, the Statue of Liberty.





The reverse shows a design entitled "Freedom Liberty Nourish" where Liberty appears and an American bald eagle, representing Liberty.


For two years, this year and next, the coin will have a common back. Each coin American Eagle one-ounce platinum Proof contains 99.95 percent platinum and is packaged in a custom-designed case, allowing parts of 2015 and 2016 can be displayed together.




Denomination: $ 100
Finish: Proof
Composition: 99.95% platinum
Diameter: 1.287 inches (32.70 mm)
Weight: 1.0005 troy ounce (31,120 grams)
Thickness: 0.094 inch (2.39 mm)
Edge: Fluted
Mint: West Point - W

Knowing Platinum

Platinum is one of the rarest metals in the world, is prized in jewelry for its beauty, hardness, gloss, strength and durability. The first references on platinum in Europe, we owe the franc / sixteenth century Italian physicist Julius Caesar Scaliger.

Scaliger in 1557 described this metal found between Mexico and Panama, as "incapable of being melted by fire or any other device."Columbian There are also references to the use of platinum.

The Spaniards discovered in Colombia and called sinker, meaning little silver. One of the first applications of platinum was to mint coins in the Spanish colonies, in fact it was used to fake gold coins.

A mid-eighteenth century European chemists began studying platinum and discovered the properties and qualities of the metal.

Louis Cartier jewelry was the first to manufacture platinum jewelry, Faberge and Tiffany subsequently began to use platinum for their artistic creations. Platinum has hypoallergenic qualities and provides a safe environment for diamonds and other gemstones, making increase its brightness. Its flexibility is highly appreciated by jewelry designers. The largest and most famous diamonds in the world are set in platinum.

Platinum is also an excellent conductor of electricity and its properties as a catalyst, make it unique.

Platinum, with palladium and rhodium, are the main components of catalysts that reduce vehicle emissions of polluting gases emissions of carbon, nitrogen and water vapor, which are less harmful dioxide.

In the coinage platinum it is complicated, since it is harder than gold and silver metal, usually dies coins are made of steel and when blanks platinum coin die is often damaged soon after being unable to record correctly in the currency. 


Sursa informaţiilor: http://www.numismatica-visual.es/2015/12/american-eagle-platinum-2015/

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