Curious Borneo Sword

[Amuk Murugul]

Hullo everybody,

I was asked what the above item was, so I thought it most appropriate to post my answer here.
To me, it's a Tangkitn Laki from western Kalamantan(Borneo). I've attached an image of a similar item.
The following ref. may help:

http://www.vikingsword.com/vb/showth...ght=kalamantan

Best,