Cleveland Museum of Art 168740 portrait late 1800s-early 1900s CC0 cma african-global-heritage sacred-art portraits objects-with-gravity african global heritage sacred art objects with gravity african art bronze sculpture figure statue ritual tribal art west africa nigeria metalwork abstract geometric brown gold dark bronze ancient folk art human figure anthropomorphic ornate detailed corpus crucified christ late 1800s-early 1900s Central Africa, Democratic Republic of the Congo or Cabinda, Kongo people Copper alloy Sculpture African African & Global Heritage Sacred & Devotional Faces in Time Objects with Gravity