Berber dagger and scabbard

Dagger and its scabbard says "  koumia  ". Berber knife, North Africa, Morocco-Algeria.
 Wooden handle with chiseled copper decoration. Gilded copper scabbard and silver inlay. Chiseled decor.
 In its original condition, traces of wear and age.
 
 DIMENSIONS  :  L40.5cm
 DATE:  Early twentieth