Cleveland Museum of Art 168754 portrait late 1800s–early 1900s CC0 cma african-global-heritage mythology objects-with-gravity african global heritage objects with gravity ivory figurine sculpture anthropomorphic ancient carving female figure pale beige brown abstract art craft museum historical south africa african art pendant late 1800s–early 1900s Africa, Central Africa, Democratic Republic of Congo, Luba-style maker Ivory Jewelry African Mythological African & Global Heritage Myth & Metamorphosis Objects with Gravity