Antique African Ceremonial Dagger with Carved Effigy Bone Grip

A very unusual antique 19th-20th century African ceremonial dagger with a carved and dyed bone grip in the form of a human figure, has a hand forged flat, double-edged shaped rusted iron blade with a elaborate leaf shape scabbard made of two pieces of stiffened hide sown together with twisted twine and adorned on the center with carved and dyed bone tribal ancestor mask within an intricate pattern made of dyed Cowrie Shells stitched to the rawhide.
 
CONDITION: Age and usage is showing, hilt with dark brown patina. The rusted iron blade has some vertical forge imperfection in the lower part of the blade near the point.
 
Please notice that the pictures in the listing are part of the description and condition of the object.
 
MEASUREMENTS:
Overall length: 35.8 cm (14 3⁄32 inches)
Overall length without the scabbard: 34.5 cm (13 37⁄64 inches)