Ivory replica of a snail shell, seven holes indicate that it may have come unglued from another piece; origin eastern Democratic Republic of the Congo (formerly Zaire).
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.
Sixteen-note sound box, also known as board piano or thumb piano and lukembi, likembe, or kalimba; wooden with keys made from spoon handles, bicycle spikes, or metal keys hammered to the desired shape; keys plucked with thumb and fingers; two holes under the keys and some decoration on the side; inscription "RUMBA OPIKA MIE LEON L24B1954.BUNIA"; origin Bira people of the Ituri rainforest.