Hi Dralin.
have you tried holding the sword two-handed ? The pommel 'spike' is generally believed to be an extension to the hilt to allow the left hand to help control the sword when necessary.
I have a Tulwar with the same markings, here are comments about these markings....
http://www.vikingsword.com/vb/showth...=trident+katar
My Tulwar with the same markings
http://www.vikingsword.com/vb/showth...ghlight=tulwar
Hope this helps
Regards David