The sol, later called a sou, is the name of a number of different coins, for accounting or payment, dating from Antiquity to today. The name is derived from the late-Roman and Byzantine solidus. Its l
Gros from Saint Louis worth 1 sou tournois
1791, 30 sols depicting Louis XVI
The last "sou" : 1939, French five centimes (actual ⌀: 19 mm)
Bank token of the Province of Canada, 1852. On the obverse, the denomination "UN SOU", on the reverse, "HALF PENNY".
Roman currency for most of Roman history consisted of gold, silver, bronze, orichalcum, and copper coinage. From its introduction during the Republic, in the third century BC, through Imperial times,
Denarius of Marcus Aurelius. Legend: IMP. M. ANTONINVS AVG. TR. P. XXV.
Bronze aes signatum produced by the Roman Republic after 450 BC
Coins of the Roman Republic and Empire from Cassell's History of England, Vol. I
The rapid decline in silver purity of the antoninianus