As (Roman coin) as, the (2), (2), . After the as had been issued as a cast coin for about seventy years, and its weight had been reduced in several stages, a as was introduced (meaning that it weighed one-sixth of a pound). At about the same time a silver coin, the denarius, was also introduced. Earlier Roman silver coins had been struck on the Greek weight standards that facilitated their use in southern Italy and across the Adriatic, but all Roman coins were now on a Roman weight standard. The denarius, or 'tenner', was at first tariffed at ten asses, but in
Vienna Philharmonic (coin) pure silver. Unlike the reeded edge of the gold coin, the edge of the silver coin is smooth. Coins are shipped in boxes of 500, called "monster boxes." Each monster box consists of 25 tubes of 20 coins each. Sales of the silver Philharmonic have been brisk with over five million coins sold, equal to 1,800 tons of silver in the 5-year period of 2008 through 2012. The mint introduced a one ounce platinum coin with the same design as the gold and silver in 2016. Like the gold coin, it has a face value of 100. The purity is