I remember that one Ariel, and it is an exceptional piece:
www.vikingsword.com/vb/showthread.php?t=4728
Your especially seems to support the theory, that in Algeria and Tunisia the yataghan was not just a weapon, but also a status symbol, reserved for the Ottoman descended elite. The flyssa is the Kabyle interpretation, and in my opinion, a not very good one based on the badly balanced, thick and generally poorly made blades.