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
Croat (coin) Croat (coin) The croat was a silver coin of Catalonia introduced by Peter III of Aragon in 1285 and minted at Barcelona. The term "croat" derives from the Latin "grossus denarius", great coin, a common term for silver coins of higher value than pennies. Peter III was inspired by the "gros" introduced by Louis IX of France. The "croat" was originally worth twelve "terns" of 25% silver billon. In 1340 the gold "florín" was introduced at a value of eleven "croats". The purity of the "florín" was fixed at eighteen carats (75% gold) in 1365. As the popularity of the