Belgian Congo's subsidiary coinage of the 1920s was administered under the Comité Spécial du Katanga framework, with currency policy dictated from Brussels rather than Leopoldville. The French-text issues were struck for distribution in predominantly Francophone administrative districts, with parallel Flemish-text versions — KM#23 — issued simultaneously to satisfy Belgium's domestic linguistic politics, a compromise that extended even into colonial monetary administration.
Copper-nickel was chosen specifically to resist tropical humidity, after earlier bronze issues corroded badly in equatorial conditions.
Belgian Congo's subsidiary coinage of the 1920s was administered under the Comité Spécial du Katanga framework, with currency policy dictated from Brussels rather than Leopoldville. The French-text issues were struck for distribution in predominantly Francophone administrative districts, with parallel Flemish-text versions — KM#23 — issued simultaneously to satisfy Belgium's domestic linguistic politics, a compromise that extended even into colonial monetary administration.
Copper-nickel was chosen specifically to resist tropical humidity, after earlier bronze issues corroded badly in equatorial conditions.