Mortar with handle which extends in one piece from rim to base; top rim decorated with spaced parallel lines, side of rim has cut-outs; base is scalloped; origin Bira people of the Ituri rainforest.
Wooden nkumbi household stool used in initiation with two pieces of wood lying on top; four legs, darker in color, curve upward, 3 holes in each side on the darker band of color; one piece of wood is inscribed "Innsbruck Sept 27 1953"; origin Bira people of the Ituri rainforest.
Wooden stool used in nkumbi initiation; bottom has three incised marks on each side, handle carved on one side near the center column, and incised area in the middle of the top; origin Bira people of the Epulu region of the Ituri rainforest.
Wooden stool used in nkumbi initiation graduation; top is scalloped, base is square, four decorated block shapes between base and top; etched into one side is "H_ _ _ _ _"; origin Epulu region of the Ituri rainforest.