Hunting about in Library I note the interesting situation with Naval Cutlasses and the GR, WR, and VR marks ..see
http://www.vikingsword.com/vb/showth...ia+blade+stamp
For spirals in the tunic ..though depicted holding a sword see
http://www.vikingsword.com/vb/showth...ht=peter+munch
Regards,
Ibrahiim al Balooshi.