African Sonu wood carved face mask; spirit bird on top; excellent authentic work

African, West Africa, most likely Gambia or Senegal, Sonu Yaure carved face mask; one of a kind original art based on Paleolithic artifacts. This one has magnificent detail - of lines, blocks and openings: circa 1970. Masks were used traditional & ceremonial mask used to communicate with spirits of the Savannah. large crane type spirit bird on top; excellent authentic work. 20” long by 9” wide by 6” deep; hook on back for display.