I HAVE SEEN A FEW ITEMS WITH SIMULAR BLADES KIND OF A CROSS BETWEEN A KERIS AND SEVERAL OTHER INDONESIAN KNIVES. ONE PICTURE HERE WAS REFERRED TO AS A NIAS KERIS. THE OTHER AS A WHAT IS IT. THE PICTURES ARE POOR BUT THE CARVING ON THE (WHAT IS IT)SCABBARD LOOKS LIKE SOME OF THE STUFF COMMING OUT OF LOMBOK. A INTERESTING AND ATTRACTIVE ITEM CONGRADULATIONS.