The Venetian grosso is a silver coin first introduced in Venice in 1193 under doge Enrico Dandolo. It originally weighed 2.18 grams, was composed of 98.5% pure silver, and was valued at 26 denarii. It
Grosso of Francesco Dandolo, 1328-1339
A gros was a type of silver coinage of France from the time of Saint Louis. There were gros tournois and gros parisis. The gros was sub-divided in half gros and quarter gros. The original gros created
County of Tripoli gold bezant in Arabic (1270-1300), and Tripoli silver gros (1275-1287). British Museum.