Cleveland Museum of Art 168732 portrait late 1800s-early 1900s CC0 cma african-global-heritage portraits objects-with-gravity african global heritage objects with gravity ivory figure statue african art tribal art ritual mask sculpture wood dark grey silver antique historical culture traditional abstract geometric portrait ritualistic power nkisi late 1800s-early 1900s Central Africa, Republic of the Congo, Kongo people Wood, organic materials (including resin), probably kaolin, and metalized glass Sculpture African Portrait African & Global Heritage Faces in Time Objects with Gravity