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carlosbringas
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SILVER IS a so-called 'noble' metal, both its appearance and its uses have earned it this title. It has been employed for many centuries for coinage, jewelry and for making useful and ornamental articles. The pure metal is too soft to withstand normal wear and tear, and therefore it has to be mixed with small proportions of others to make an alloy strong enough to retain its shape and thickness. <br />
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Without complicated tests it is not possible to tell just how much actual silver is contained in any given quantity of the alloy, and a clear field is left for fraud. To safeguard the purchaser a system of testing and marking, known as 'Hall-marking' because it was first carried out at Goldsmith's Hall in London, was instituted as long ago as the year 1300