MAYBE A REWORKED KRIS BUT MORE LIKELY SOMEONE TRYING TO MAKE A TWISTCORE BARONG. THE BLADE BEING NARROW DOES MAKE ONE WONDER IF IT WAS A KERIS AT ONE TIME. PICTURES OF THE BLADE FORTE (BOTH SIDES) COULD REVEAL IF IT WAS REFORGED FROM A KERIS. THOSE WHO FORGE AND MAKE KNIVES SHOULD BE ABLE TO TELL WHAT WAS DONE BUT AS USUAL ITS DIFFICULT TO KNOW FOR CERTIAN FROM PICTURES ONLY. A VERY INTERESTING BARONG.