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
Silver coin inter-regional trade. For instance, the silver sceattas were a popular type of coin in England, the Netherlands and the Frisian region. The penny was a popular interregional silver coin, thus being known in several different languages as 'penny' (English), 'pfennig' (German) and 'penning' (Scandinavian languages). Medieval coin types frequently suffered from gradual debasement, and the coins were generally small. This changed when the great amounts of silver began to flow into Europe from the New World. While the Byzantine Empire in the Balkans was crumbling, a new power was growing strong in Asia Minor: the Ottoman state. The Ottomans eventually