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
New Zealand ten-cent coin coin replacement. The new 10-cent coin had the same reverse as the 1967 to 2006 minted coins and the same obverse as the 1999-onward coins, but the coins were reduced in size. The new 10-cent coins are made of steel, plated with copper. The new coins are 20.5 mm in diameter and 3.30 grams in weight. They have unmilled edges. The old 10-cent coins were demonetised on 1 November 2006. New Zealand ten-cent coin The New Zealand ten-cent coin is the lowest-denomination coin of the New Zealand dollar. The 10-cent coin was introduced when the New Zealand dollar was introduced