I like the Omani ring on it (but it's easy to add a ring on top of a sheat).
I like the story around the knife. But I agree with Ariel, nothing in this knife looks African.
There is a very long discussion about these knives:
http://www.vikingsword.com/vb/showth...4&page=1&pp=30
The conclusion was Malawi, lake Nyassa... African.