Where's this from?

[DaveF]

Originally Posted by ACP

IMHO sir, this is a rencong variant. The Rencong dagger is used by the Acehnese as well as to the Sumatrans. Its shape is said to symbolize the Arab letter of the invocation “Bismillaah”. It is therefore believed to have a mystic power.

If you can send more pictures I might be able to determine what variant it is

With apologies for the delay in my reply, here are some more photos. I hope you find them useful for ID purposes: