
Bruntfca |
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People may be interested in the old British system, variants of which ran for about 1000 years.
It is loosely based on earlier Roman, and still earlier Babylonian and Sumerian systems. The Sumerian system is sexagesimal, in which the currency is donated in multiples or divisors of 60.
The reason this is good is that there are many factors that go into 60 - hence it is great for creating fractions, which people need in real trade (before computers).
It's easy to pack say 6 eggs, or 12 eggs, but not say 5 eggs. Thus the British system had 6 pence piece so you could swap 1 coin for half a dozen eggs.
The first main *silver* coin is the shilling. This is 12 pence (or twelve coppers if you prefer). The pence is donated by the symbol d (likely taken from the old Roman Denarius).
The gold unit of account is the pound. There are 240 pence in one pound, thus making 20 shillings (20 silver coins) in one pound. Again notice the multiples/divisors of 60.
Hence you have
12 copper = 1 silver
20 silver = 1 gold
I think 100 silver pieces for 1 gold coin in a bit too much and not that historically accurate. However, interestingly in the *very early* stages of the British system one pound actually donated 1 one pound of weight in gold, though nobody carried around a pound coin.
Today in 2018. The British "pound" is only worth about 1.30 USD. While a mere ounce of gold is about 1070!
By the way if you ever find old British Shillings (12 pence). They are worth 1.50 USD each for the silver content alone, in other words more than the current so called British "pound".