Ancient Roman Coin Jewlery

   As is an old Roman coin money originally made from bronze and later from copper. It was introduced in the year 280 BC.  As is also the base unit of Roman coinage with fractions bes (2/3 of an as), semis (1/2), quincunx (5/12), triens (1/3), quadrans (1/4), sextans (1/6), uncia (1/12), and semuncia (1/24). 
   The Roman coins denarius (plural denarii), was a main imperatorial coin in the working class and the most common piece produced having existed in the Roman currency for more than four centuries.