Hello Sid,
It's either a
latok or a
buko.
A latok is from the Malay people and a buko from the Land Dayak.
I think that yours is a buko, can you add some dimensions?
Here are two threads which may for interest for you:
http://www.vikingsword.com/vb/showth...ght=latok+buko
http://www.vikingsword.com/vb/showth...highlight=buko
Regards,
Detlef