African art, tribal mask,"African mask" Ivory Coast Senufu baboon mask c1945. This a wonderful rare example a Senufu tribal mask. This African mask measures 15 inches high and 9 inches wide. There is a piece missing on the back rim which is very typical for this period of mask. PROVENANCE,This tribal mask was consigned to us by a professor of political science at an eastern ivy league university. He acquired this piece while on assignment in Africa during the 1940s.