si-national-museum-of-african-ar:

Pendant, Late 18th century, Smithsonian: National Museum of African Art

Size: H x W x D: 9.8 x 3.8 x 1.5 cm (3 7/8 x 1 ½ x 9/16 in.)
Medium: Ivory

https://africa.si.edu/collections/view/objects/asitem/items$0040:10268