A VERY NICE PIECE, I WISH YOU HAD THE SCABBARD ALSO AS A LOT OF INFORMATION CAN BE GAINED FROM THEM ALSO. I AM LIKE YOU AS FAR AS TO WHAT A DAYAK SWORD IS TO BE CALLED NOW, I USED TO JUST CALL THEM ALL MANDAU

. NOW THERE ARE MANY MORE CHOICES AND I DON'T HAVE ENOUGH GOOD REFRENCES TO TELL WHAT IS WHAT. THE ONLY HELP I CAN GIVE ON YOUR FINE EXAMPLE IS TO OFFER TO KEEP IT HERE WITH ME FOR A YEAR OR TWO AND SLEEP WITH IT UNDER MY PILLOW AND SEE IF IT WILL IDENTIFY ITSELF
I THINK THE HANDLE IS CARVED FROM DEER ANTLER RATHER THAN BONE.