Carolus is the name given to a number of gold coins: a coin struck during the reign of Charles I of England. It was originally valued at 20 shillings, but later 23. the Carolusgulden first minted by Charles V (Holy Roman Empire) in 1517, see Dutch Guilder#History the Carolus dollar, a Spanish-American peso or piece of eight issued by Charles III (1759-88) and Charles IV (1788-1808) of Spain."Carolus". Oxford English Dictionary. Oxford University Press. 2nd edition. 1989.
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