Dinar
The first Islamic currency was the Dinar. The name is derived from denarius, a Roman currency. There were also ½ dinars and 1/3 dinars.
Pound
The pound sterling is the oldest form of currency still used today.
The pound was a unit of account in Anglo-Saxon England, equal to 240 silver pennies and equivalent to one pound weight of silver. The origins of sterling lie in the reign of King Offa of Mercia, (757–796) who introduced the silver penny. The early pennies were struck from fine silver (as pure as was available). However, in 1158, a new coinage was introduced by King Henry II (known as the Tealby penny) which was struck from .925 (92.5%) silver. This became the standard until the 20th century and is today known as sterling silver, named after its association with the currency. The English currency was almost exclusively silver until 1344, when the gold noble was successfully introduced into circulation. However, silver remained the legal basis for sterling until 1816.
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Pound
: 20 shillings (20s).
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Sovereign
: One pound (20 Shillings) made as a gold coin. Rarely used.
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Guinea
: 21 shillings. Small gold coin. Rarely used. Term still used in horse racing and auctions.
Less than a Pound but more than a Shilling
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Mark
: A measure of silver, generally eight ounces. In England, a mark was worth 13 shillings and four pence, or two thirds of one pound.
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Half Sovereign
: 10 shillings. Small gold coin. Rarely used.
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Crown
(“dollar”) 1 crown = 5 shillings