WELCOME TO THE FORUM
IT WOULD APPEAR SOMEONE WAS PLANNING TO REPLACE THE OLD HANDLE BUT DIDN'T GET AROUND TO IT. THE GOOD THING IS ALL THE PARTS ARE THERE AND WITH A LITTLE MEASURING YOU CAN FIT THE HANDLE TO THE TWO METAL PARTS JUST LIKE THE ORIGINAL. WATER BUFFALOW HORN WOULD BE NICE AND A SUITABLE PIECE OF IT SHOULD BE FOUND EASY ENOUGH. GOOD LUCK