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
Threepence (Irish coin) Threepence (Irish coin) The threepence () or 3d coin was a subdivision of the pre-decimal Irish pound, worth of a pound or of a shilling. literally means "half ", the being a sixpence coin worth about the same as the Spanish (a quarter of a peseta). As with all other Irish coins, it resembled its British counterpart, as the Irish pound was pegged to the British pound until 1979. Originally it was struck in nickel and was very hard-wearing. In 1942, as nickel became more costly, the metal was changed to cupronickel of 75% copper and 25% nickel. The coin