MeasuringWorth.com has some great calculators for converting both British pounds and US dollars:
British Coins:
Note: Not all coins were in use at a given time; some were in circulation for less than one year before becoming obsolete.
The pound sign stands for Libra, a pound weight in Latin.
The d. stands for denarius (a Roman coin.)
Slang:
French Coins:
-4 livres parisis = 5 livres tournois
-The sou was called a 'sol' until 1715
-The livre parisis (and the sou parisis, denier parisis, etc...) was the official coin of the Capetian dynasty until 1203 when the mint was moved from Paris to Tours. The livre tournois eventually outstripped the livre parisis as a unit of accounting, although the parisis continued to be used in some areas of France until it was abolished in 1667.
-'Sou' is generally understood to mean sous tournois, and likewise for 'denier' and 'livre'
British Equivalents:
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