The work on the cross guard is so very similar to the work on the hilt of this, though not forge welded,
http://www.vikingsword.com/vb/showth...highlight=maus
sorry to bring it up again but it looks obvious to me. That is why I feel it may have been put together much further south. I think Ariel could well be right. I also think the Sudanese as well importing blades were very capable of making there own. Marks and stamps appear and copies used in many parts off the world.