A knife from Bali

[Devadatta]

Dear All,

This knife was found at Bali, in the ocean :) I own it for several years already.

I just wonder what it's supposed to be? Any ideas?

http://s06.radikal.ru/i179/0910/8f/f26e5f63bf65.jpg

http://s50.radikal.ru/i127/0910/a2/69c72d842d10.jpg

http://i040.radikal.ru/0910/ce/ea5b6950a5b9.jpg

[asomotif]

Maybe a skinner (hunting) knife ?