I WOULD PUT THIS IN THE SAME CATEGORY AS THE MAORI TAHITA LONG CLUB/SPEAR TYPE OF WEAPON.
IT GIVES THE ADVANTAGE OF A LONG WEAPON AS WELL AS THE ABILITY TO CHOKE UP ON IT FOR FIGHTING IN CLOSER USING BOTH ENDS. THE MAORI WEAPON DOES HAVE EDGES ON THE PRIMARY STRIKING PART OF THE WEAPON YOUR EXAMPLE IS MORE LIKE A SPEAR SHAFT OR POLE CLUB. SO I WOULD CLASSIFY IT AS A COMBINATION WEAPON SERVING AS A LONG CLUB OR A SHORT SPEAR (THESE FORMS USED FOR THRUSTING AND STRIKING NOT THROWING) NICE ONE!
I HAVE NO GOOD GUESSES AS TO WHERE ITS FROM BUT I WOULD ELIMINATE MAORI OR FIJIAN.
