Jerseyman:
You might take a look at some of the prior threads here that discuss the Montagnard swords. Here is one thread that has a few examples:
http://www.vikingsword.com/vb/showthread.php?t=862 You might want to check post #12 where there is a brass hilt that might resemble yours to some extent--that darb looks like it comes from N. Thailand/Laos.
Ian