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
Shilling (Irish coin) Shilling (Irish coin) The shilling (1s) () coin was a subdivision of the pre-decimal Irish pound, worth of a pound. The original minting of the coin from 1928 until 1942 contained 75% silver; this Irish coin had a higher content than the equivalent British coin. These earlier coins were noticeably different from their later counterparts as they were of a lighter hue than the cupronickel coins minted from 1951, and they resisted wear less well. The cupronickel coin contained 75% copper and 25% nickel. The coin measured in diameter and weighed 5.655 grams; this did not change with cupro-nickel coin.