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  2. Sovereign (British coin) - Wikipedia

    en.wikipedia.org/wiki/Sovereign_(British_coin)

    The weight of a newly-struck sovereign was intended to be 123.274 grains (7.98802 g). It ceased to be legal currency for £1 if found to weigh less than 122 1 ⁄ 2 grains [43] [d] (i.e. a deficiency of 1 1 ⁄ 2 pence in gold per sovereign). By the early 1840s, the Bank of England estimated that twenty per cent of the gold coins that came into ...

  3. Thaler - Wikipedia

    en.wikipedia.org/wiki/Thaler

    1524: The money ordinance Reichsmünzordnung issued at Esslingen is the first attempt at a standard currency system for the Holy Roman Empire. It fixed the weight of the guldengroschen weight at 29.232 g (or 1/8th a Cologne Mark, or 233.856 g), its fineness at 0.9375, and proposed it be divided into 21 groschen or 60 kreuzer. [8]

  4. £sd - Wikipedia

    en.wikipedia.org/wiki/£SD

    The United States of America was among the first to drop the £sd system and adopt a decimal currency in 1792, 10 years after independence from the British Empire, but retains many other aspects of the customary units for length and weight. Australia, on the other hand, only changed to using a decimal currency on 14 February 1966, 65 years ...

  5. Grain (unit) - Wikipedia

    en.wikipedia.org/wiki/Grain_(unit)

    The old troy standard was set by King Offa's currency reform, and was in full use in 1284 (Assize of Weights and Measures, King Edward I), but was restricted to currency (the pound of pennies) until it was abolished in 1527. This pound was progressively replaced by a new pound, based on the weight of 120 silver dirhems of 48 grains. The new ...

  6. Pennyweight - Wikipedia

    en.wikipedia.org/wiki/Pennyweight

    In the Middle Ages, an English penny's weight was literally, as well as monetarily, 1 ⁄ 20 of an ounce and 1 ⁄ 240 of a pound of sterling silver. At that time, the pound unit in use in England was the Tower pound, equal to 7,680 Tower grains (also known as wheat grains). The medieval English pennyweight was thus equal to 32 Tower grains.

  7. Trade-weighted US dollar index - Wikipedia

    en.wikipedia.org/wiki/Trade-weighted_US_dollar_index

    The weight assigned to the value of each currency in the calculation is based on trade data, and is updated annually (the value of the index itself is updated much more frequently than the weightings). [2] The index value at time is given by the formula: [2]

  8. List of countries by exchange rate regime - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    De Facto Classification of Exchange Rate Arrangements, as of April 30, 2021, and Monetary Policy Frameworks [2]; Exchange rate arrangement (Number of countries) Exchange rate anchor

  9. Currency strength - Wikipedia

    en.wikipedia.org/wiki/Currency_strength

    Currency strength expresses the value of currency. For economists, it is often calculated as purchasing power , [ 1 ] while for financial traders, it can be described as an indicator, reflecting many factors related to the currency; for example, fundamental data, overall economic performance (stability) or interest rates.