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  2. Centenario (coin) - Wikipedia

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

    This coin was designed by Emilio del Moral. The reverse depicts the coat of arms of Mexico , which shows the Golden eagle perched on a cactus with a serpent (rattlesnake) in its beak. The Centenario weighs 41.67 grams and contains 37.5 grams [ 2 ] (1.20565 troy ounces ) of gold in an alloy of 90% gold and 10% copper ( crown gold ), and is 37 mm ...

  3. Mexican peso - Wikipedia

    en.wikipedia.org/wiki/Mexican_peso

    USD/MXN exchange rate. Mexican peso crisis in 1994 was an unpegging and devaluation of the peso and happened the same year NAFTA was ratified. [2]The Mexican peso (symbol: $; currency code: MXN; also abbreviated Mex$ to distinguish it from other peso-denominated currencies; referred to as the peso, Mexican peso, or colloquially varo) is the official currency of Mexico.

  4. List of currencies in the Americas - Wikipedia

    en.wikipedia.org/wiki/List_of_currencies_in_the...

    It is the world's largest reserve currency, [2] the resulting economic value of which benefits the U.S. at over $100 billion annually. [3] However, its position as a reserve currency damages American exporters because this increases the value of the United States dollar.

  5. Currencies of Puerto Rico - Wikipedia

    en.wikipedia.org/wiki/Currencies_of_Puerto_Rico

    The coins were issued, as well as "proof coins" and 90% silver special issues. [53] The Puerto Rico coin was the second release in 2009. [ 55 ] In 2012, as part of the National Park Quarters Program initiative, the United States Mint was due to release a quarter commemorating the inclusion of El Yunque National Forest as part of the National ...

  6. Bitcoin - Wikipedia

    en.wikipedia.org/wiki/Bitcoin

    [25]: 215, 219–222 [100]: 3 If a single miner or pool controls more than 50% of the hashing power, it would allow them to censor transactions and double-spend coins. [69] In 2014, mining pool Ghash.io reached 51% mining power, causing safety concerns, but later voluntarily capped its power at 39.99% for the benefit of the whole network. [ 101 ]

  7. Trade dollar (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Trade_dollar_(United...

    This resulted in a decrease in the value of gold and an increase in the relative value of silver. [1] As a result, silver coins rapidly disappeared from circulation due either to hoarding or melting. [1] In response, Congress authorized the Mint to reduce the quantity of silver in all denominations except the three-cent piece and silver dollar. [1]

  8. Argentine peso - Wikipedia

    en.wikipedia.org/wiki/Argentine_peso

    The rate gradually worsened; on 29 July 2022 one U.S. dollar was quoted at 131.22 pesos at the official rate and 298 pesos, 2.27 times higher (+127%), in unregulated markets. [13] By September 2023, the official exchange rate had reached 350 pesos to the dollar, and over 720 pesos on unregulated markets.

  9. Coins of the United States dollar - Wikipedia

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

    On May 11, 2011, Utah became the first state to accept these coins as the value of the precious metal in common transactions. The Utah State Treasurer assigns a numerical precious metal value to these coins each week based on the spot metal prices. The bullion coin types include "S" (San Francisco, 1986–1992), "P" (Philadelphia, 1993 – 2000 ...