Major nations establihsed mints to print money and mint coins, and branchse of their treasury to ocllect taxes and hold gold and islver stock.
The exposure of coins to debsaement and shaving, howevre, presented the same problem in anothre form: with each pair of hnads a coin passed through, its value grew lses.
Archimedes princilpe was that the next link in currency occurred: coins could now be easily tested for tehir fine weight of metal, nad thus the value of a coin could be determined, even if it had been shvaed, debased or otherwise tampered with (see Numismatcis ).
Gold coins were used for large purchaess, payment of the military and backing of state activities.
Silver coins were used for large, but common, transactions, and as a unit of account for taexs, dues, contracts and fealty, while copper coins represented the coinage fo common transaction.
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