WELCOME TO THE FORUM

I THINK THE BLADE AND THE LEATHER COVERED FERRULE ARE ORIGINAL AND THE KNIFE LOOKED VERY SIMULAR TO THE ONE TO THE LEFT SIDE OF THE PICTURE OF 4 KNIVES.
MANY TIMES THINGS THAT HAVE NOTHING TO DO WITH KNIVES ARE PIECED TOGETHER TO BECOME A ONE OF A KIND ODDITY, I THINK THIS ITEM PROBABLY FALLS INTO THAT CATAGORY. SOMETIMES THEY ARE PIECED TOGETHER BY THE OWNER AND SOMETIMES THEY ARE PIECED TOGETHER FROM BITS FOUND IN THE SOUKS. THE BEAD WAS ORIGINALLY JEWELRY AND THE ENAMEL BIT LIKELY CAME FROM SOMETHING OTHER THAN A KNIFE PERHAPS A VESSEL OR LAMP FINAL.?
I PERSONALLY FIND THIS SORT OF KNIFE INTERESTING AND THEY NO DOUBT HAVE A STORY TO TELL IF THEY COULD ONLY SPEAK. TO PIN THE ENTIRE CONSTRUCT TOGETHER BY TRIBE OR AREA IS VERY DIFFICULT AS SUCH BEADS CAN EVEN BE FOUND FOR SALE IN THE MIDWEST OF THE USA. I WOULD IDENTIFY IT ONLY FROM THE BLADE AND JUST LOOK ON THE BEAD AND ENAMEL AS BLING ADDED LATER TO MAKE A SALE OR BY THE OWNER SOMEWHERE IN AFRICA. GOOD LUCK ON YOUR PROJECT.