Sestertius Sestertius The sestertius (plural sestertii), or sesterce (plural sesterces), was an ancient Roman coin. During the Roman Republic it was a small, silver coin issued only on rare occasions. During the Roman Empire it was a large brass coin. The name "sestertius" means "two and one half", referring to its nominal value of two and a half "asses" (a bronze Roman coin, singular "as"), a value that was useful for commerce because it was one quarter of a denarius, a coin worth ten "asses". The name is derived from "semis", "half" and "tertius", "third", in which "third" refers to the
Florin (Irish coin) also the silver coins wear less well. The cupronickel variety of coin consisted of 75% copper and 25% nickel. The coin measured in diameter and weighed 11.3 grams. The last florins were produced in 1968. When the currency was decimalised this coin continued to circulate alongside its replacement ten pence, and the florin was finally withdrawn from 1 June 1994 as a smaller ten pence coin was introduced. The reverse design featuring a salmon was by English artist Percy Metcalfe. The obverse featured the Irish harp. From 1928 to 1937 the date was split either side of the harp with