Here is my little shaver (seems!). The blade is another thing but the handle... On books I have found nothing like this but on
http://www.mambele.be/ (Mr. Poppe's site) there is this one
http://www.mambele.be/knife_detail.p...0230&rowno=129
very similar attributed to the tribes Ngombe, Doko, Ngbandi, Mbudja.