Alan, I think you have a nice piece. It is much older, although I agree that the wrapping is very recent. I would put it at possibly an early Maguindanao with elephant ivory. The ivory pommel is usually in the shape of a modified/stylized cockatu head, only in this case without the back crest. This is not unusual especially for earlier forms that used a smaller pommel according to Cato.
What throws me off is the type of blade fuller - never seen this on any Moro blade before now.
Everything else appears right though. Yes etch it - I'm sure a pattern will come out.