It's a pity but there seems to be very little documented on Moro talismanic symbols. BTW, what happened to the forumites stationed on Jolo? Maybe they could try to research what knowledge may have survived locally?
Here are 2 more inlaid kris for reference:
Kalis Seko (Sulu)
Luma (Maguindanao?)
(tip towards the right; more pics:
http://www.vikingsword.com/vb/showthread.php?t=1243)
Regards,
Kai