A rare antique African, Congo, Kuba, Lele hand carved wood mask. The mask is adorned with cowrie shells and a natural fibers hat. Congo Masks: Masterpieces from Central Africa. In the vast and culturally diverse Congolese region of Central Africa, masks function as performance objects in rituals, ceremonies, worship, and entertainment. Circa: early 20th century. Traditional African Wooden Masks And Tribal Art Collectibles.