50 Centimes - Chambre de Commerce de Châlon-sur-Saône, Autun and Louhans 71

French chambers of commerce began issuing emergency small-denomination notes in 1914 when wartime metal shortages caused coins to vanish from circulation almost overnight. This Saône-et-Loire chamber covered three separate commercial districts — Chalon-sur-Saône, Autun, and Louhans — under a single joint authority, an arrangement that produced notes valid across all three jurisdictions and accounts for the three Pick references catalogued against essentially the same piece.

Arnaud's Lyon workshop handled a significant share of French provincial emergency currency during the war years, working from relatively standardized stock layouts with local text variables. The watermark is the primary security element distinguishing genuine issues from later reproductions.