African art Bedu mask, Nafana, Kulango or DeghaIvory Coast or Ghana. . Cm 63,00 x 136,00. Bedu wooden mask with black and white geometrical decorations. Usually in pairs (male and female), large masks like this one are used in cerimonial dances or harvest-related parties and their main purpose is to keep away negative events of all sorts. The simple circular disk-like decoration on top identifies it as masculine.NOTE - For a similar specimen see: Male mask (Bedu), wood, Metropolitan Museum (1979.206.237).