Antique French Coin. Really old!
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 longevity of use anchored it in many expressions of the French language.
1791 1 Sole France - Louis XVI - 1791 One Sol, Rarer coin type - Great Detail underneath some dirt - 1791 1 Sol France