Cleveland Museum of Art 168738 portrait late 1800s-early 1900s CC0 cma african-global-heritage portraits objects-with-gravity african global heritage objects with gravity african art wood sculpture child figure tribal art dark wood portrait ancestral ritual traditional carving brown grey abstract culture statue power figure nkisi late 1800s-early 1900s Africa, Central Africa, Republic of the Congo, Kongo-style maker Wood, organic materials (including resin), cloth, glass, and various other materials Sculpture African Portrait African & Global Heritage Faces in Time Objects with Gravity