500 Francs

The Banque des États de l'Afrique Centrale served six member states simultaneously, meaning this note circulated under Congo-Brazzaville's designation while being structurally identical — save for a letter code — to issues from Cameroon, Gabon, the Central African Republic, Chad, and Equatorial Guinea. The letter "C" in the serial prefix identified it as Congolese. Four distinct signature combinations across the series reflect the governor and vice-governor pairings at BEAC headquarters in Yaoundé during a six-year window of significant austerity, as falling oil revenues hammered the franc zone economies throughout the late 1980s.

Oberthur's Rennes facility handled the full run.