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  2. 5 yen coin - Wikipedia

    en.wikipedia.org/wiki/5_yen_coin

    The 5-yen coin (五円硬貨, Go-en kōka) is a denomination of the Japanese yen. The current design was first minted in 1959, using Japanese characters known as the "new script" and kanji in the kaisho style, and were also minted from 1948 to 1958 using "old-script" Japanese characters in the gothic style. [1] Five-yen coins date to 1870 (when ...

  3. 500 yen coin - Wikipedia

    en.wikipedia.org/wiki/500_yen_coin

    2021. The 500 yen coin (Japanese: 五百円硬貨, Hepburn: Gohyaku-en kōka) is the largest denomination of Japanese yen coin issued for circulation. These coins were first struck in 1982 as the vending machine industry needed a higher valued coin for use in their machines. The denomination had previously been issued as paper currency which co ...

  4. Japanese yen - Wikipedia

    en.wikipedia.org/wiki/Japanese_yen

    Early 1-yen coin from 1901 (Meiji year 34), 26.96 grams of 90% fine silver 20 yen coin from 1870 (Meiji year 3) In 1897, the silver 1 yen coin was demonetized and the sizes of the gold coins were reduced by 50%, with 5, 10 and 20 yen coins issued. After the war, brass 50 sen, 1 and 5 yen were introduced between 1946 and 1948.

  5. International use of the U.S. dollar - Wikipedia

    en.wikipedia.org/wiki/International_use_of_the_U...

    The US dollar is an official currency in Zimbabwe, along with the euro, sterling, the pula, the rand, and several other currencies. A series of Zimbabwean Bond Coins was put into circulation on 18 December 2014 in 1, 5, 10, and 25 cent denominations, and afterwards 50 cent and 1 dollar bonds coins, which are pegged at the same rate as American ...

  6. Sheldon coin grading scale - Wikipedia

    en.wikipedia.org/wiki/Sheldon_coin_grading_scale

    The Sheldon Coin Grading Scale is a 70-point coin grading scale used in the numismatic assessment of a coin's quality. The American Numismatic Association based its Official ANA Grading Standards in large part on the Sheldon scale. [1] The scale was created by William Herbert Sheldon.

  7. Silver standards - Wikipedia

    en.wikipedia.org/wiki/Silver_standards

    However, in silversmithing, coins could come from other nations besides the United States, and thus coin silver objects could vary from 750 millesimal fineness (75% silver) to 900 (90% silver). Coins were used as a source of silver in the US until 1868, shortly after the discovery of the Comstock silver lodes in Nevada, which provided a ...

  8. Foreign exchange market - Wikipedia

    en.wikipedia.org/wiki/Foreign_exchange_market

    The foreign exchange market (forex, FX (pronounced "fix"), or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices.

  9. Coin flipping - Wikipedia

    en.wikipedia.org/wiki/Coin_flipping

    To choose two out of three, three coins are flipped, and if two coins come up the same and one different, the different one loses (is out), leaving two players. To choose one out of three, the previous is either reversed (the odd coin out is the winner) or a regular two-way coin flip between the two remaining players can decide. The three-way ...