Yes but it could be Indo-Arabs as the swords discussed previously.
Oman/Pakistan/Balutchistan...
I'm not a specialist, but i think these safra are a little bit too nice to be just companion knifes...
This link will be useful too
http://www.vikingsword.com/vb/showth...ighlight=safra
For me a companion knife is attached to the back of the main scabbard and main dagger. These Safra are knifes.
By the way are they Yemeni or Omani???
Best,
Kubur