African carved masks used by Ivory Coast ethnic groups, set of nine, issued by Ivory Coast on March 5, 1960:
Mask of Bété people from Ivory Coast, designed by Geo François and engraved by André Frères:

Mask of Guéré people from Moyen-Cavally region of Ivory Coast, designed by Geo François and engraved by Jean Miermont:

Mask of Guéré people from Moyen-Cavally region of Ivory Coast, designed and engraved by Claude Hertenberger:

Mask of Baoulé people from central region of Ivory Coast, designed and engraved by Claude Hertenberger:

Mask of Senoufo people from Ivory Coast, Mali & Burkina Faso, designed and engraved by Raoul Serres:
