Currency money or book money, which are fiat money. Currency money Currency money is money in full circulation that takes its value from the precious metal it contains, that is, its market value is (almost) the value of the metal it contains (apart from the Seigniorage or the minters' profit), though this is always overcompensated for in coins and banknotes from a country undergoing debasement. Currency money is usually made of silver or gold, but in very rare cases plated metal and even copper may be used. Currency money is commodity money, as opposed to coins whose metal value is less than
Shall and will "shall" all sin from time to time" (where "shall" denotes simple futurity), but instead gives the highly misleading impression that the original word was "should" (meaning "ought to"). Shall and will Shall and will are two of the English modal verbs. They have various uses, including the expression of propositions about the future, in what is usually referred to as the future tense of English. The traditional prescriptive grammar rule stated that, when expressing pure futurity (without any additional meaning such as desire or command), "shall" was to be used when the subject was in the first person ("I" or