Nzombo, Lobala, Ngiri, Ngbaka - 48,5 cm
https://www.quaibranly.fr/en/explore-collections/base/Work/action/show/notice/233772-couteau/page/4/
https://anthro.amnh.org/anthropology/databases/common/image_dup.cfm?catno=90%2E0%2F%204081%20A
https://anthro.amnh.org/anthropology/databases/common/image_dup.cfm?catno=90%2E2%2F%203577
Lit.: Franz Thonner: Vom Kongo zum Ubangi; 1910. Tafel 112, here Bwaka