Hi Bill:
Interesting pieces. I recall something similar on the old forum a while ago. The sheath(s) look like crocodile skin -- Mike (Conogre) could probably tell you which species. I think we concluded the previous example was a N. African ceremonial piece, but I'm sure others remember better.
Ian
Edit: Here is the URL for the thread that I mentioned. Unfortunately the pictures are gone.
http://www.vikingsword.com/ubb/Forum1/HTML/002161.html