Sous were a form of money from the Napoleonic Wars period of the Earth nation of France. Sous were made of gold in the form of coins.

In 2156, Captain Jonathan Archer compared the gifts and assistance that the Enterprise provided to alien ships during Operation Hotspur to sous'. (ENT - The Romulan War novel: To Brave the Storm)

Types of currency
materials	acta crystal • gold • latinum • ludugial gold • silver
units	bilbok • cent • credit • darsek • dejebbit • dirak • dollar • drokna • ducat • galorine credit slip • ilec • kern • klon peag • laertian dinar • lek • lita • notch-rock • prime transfer authority • quatloo • sakto • sous • szeket • t'chak • talon • tri-esta