1 Franc - Saint-Brieuc Chambre de Commerce des Côtes-du-Nord 22

Saint-Brieuc's Chambre de Commerce began issuing these emergency fractional notes in 1917–1918 as the wartime coin shortage stripped everyday transactions of their small change. French chambers of commerce across the country were granted emergency authority to issue local necessity currency — the Banque de France simply could not keep token coinage in circulation fast enough. Oberthur in Rennes, the dominant printer for such regional issues across Brittany and Normandy, handled the production.

The JP reference spanning multiple suffix numbers reflects the number of distinct date or series variants within this single face value — an unusually large family for a single-franc issue from one chamber.