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  2. Solidus (coin) - Wikipedia

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

    [1] [2] [3] Constantine's solidus was struck at a rate of 72 to a Roman pound (of about 326.6 g) of gold; each coin weighed 24 Greco-Roman carats (189 mg each), [4] or about 4.5 grams of gold per coin. By this time, the solidus was worth 275,000 increasingly debased denarii, each denarius containing just 5% (or one twentieth) of the amount of ...

  3. Carolingian monetary system - Wikipedia

    en.wikipedia.org/wiki/Carolingian_monetary_system

    Carolingian denarius (Denier) The Carolingian monetary system, also called the Carolingian coinage system [1] or just the Carolingian system, [2] was a currency structure introduced by Charlemagne in the late 8th century as part of a major reform, the effects of which subsequently dominated much of Europe, including Britain, for centuries.

  4. Ryō - Wikipedia

    en.wikipedia.org/wiki/Ryō

    Japanese middle school textbooks often state that one ryō was approximately equivalent to 100,000 Yen at the start of the Edo period, and around 3000–4000 yen at the end of the Edo period. On the other hand, the Currency Museum of the Bank of Japan states that one ryō had a nominal value equivalent 300,000–400,000 yen, but was worth only ...

  5. Roman currency - Wikipedia

    en.wikipedia.org/wiki/Roman_currency

    Roman currency for most of Roman history consisted of gold, silver, bronze, orichalcum and copper coinage. [1] From its introduction during the Republic, in the third century BC, through Imperial times, Roman currency saw many changes in form, denomination, and composition. A feature was the inflationary debasement and replacement of coins over ...

  6. Pound sterling - Wikipedia

    en.wikipedia.org/wiki/Pound_sterling

    The Falkland Islands pound, Gibraltar pound, and Saint Helena pound are set at a fixed 1:1 exchange rate with the British pound by local governments. Value In 2006, the House of Commons Library published a research paper which included an index of prices for each year between 1750 and 2005, where 1974 was indexed at 100.

  7. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The decline in the value of the U.S. dollar corresponds to price inflation, which is a rise in the general level of prices of goods and services in an economy over a period of time. [85] A consumer price index (CPI) is a measure estimating the average price of consumer goods and services purchased by households.

  8. Roman Republican currency - Wikipedia

    en.wikipedia.org/wiki/Roman_Republican_currency

    Roman Republican currency is the coinage struck by the various magistrates of the Roman Republic, to be used as legal tender.In modern times, the abbreviation RRC, "Roman Republican Coinage" originally the name of a reference work on the topic by Michael H. Crawford, has come to be used as an identifying tag for coins assigned a number in that work, such as RRC 367.

  9. Ottoman lira - Wikipedia

    en.wikipedia.org/wiki/Ottoman_lira

    English-language publications used "£T" as the sign for the currency, [4] [5] but it is unknown whether it was ever used natively. Between 1844 and 1881, the lira was on a bimetallic standard, with LT 1 = 6.61519 grams pure gold (roughly 9 ⁄ 10 of a British Sovereign) = 99.8292 grams pure silver.