Mandingo knife - 39,7 cm, 54 cm
Quai Branly database : 71.1900.51.71.1-2
http://www.quaibranly.fr/en/explore-collections/base/Work/action/show/notice/199258-couteau-et-fourreau/page/1/
here Peul in Republic of Guinea, before 1900
https://www.britishmuseum.org/collection/object/E_Af1878-1101-521