Banque de l'Afrique occidentale

The Banque de l'Afrique occidentale (BAO, lit. 'Bank of Western Africa'), known from 1853 to 1901 as Banque du Sénégal and from 1965 to 1990 as the Banque internationale pour l'Afrique occidentale (BIAO), was a bank headquartered in Dakar. During most of its history it was the main or only commercial bank and bank of issue in French Senegal and French West Africa.

Source: Wikipedia — Banque de l'Afrique occidentale (CC BY-SA 4.0)