Hi Brian,
This type was the subject of some discussion some time ago.
I'll link you to a couple of threads to see for yourself.
http://www.vikingsword.com/vb/showthread.php?t=12918
There is a sword like yours in post 21.
Also:
http://www.vikingsword.com/vb/showthread.php?t=2333&
Just to add that although the dagger forms are fairly common, the swords like yours don't seem to appear anywhere near as frequently.
The one you show seems to be in great condition and the pierced blade and Crocodile design are very attractive.
A nice example!
Best
Gene