Kimmo

From the blade 61048.
6 Jigged Bone or Jigged Synthetic
1 one blade
048 slim line trapper (model)
On the other side of the blade the markings
Case XX
SS (or what looks like lightning bolts)
I "think" this dates the knife 1980-1989. But don't quote me on this, I need to be at home and look up my references.
Hope that helps and what you are looking for.
_________________________
Rod Brown
RKS 3846
RKCC CM-123
Whether you think you can or can not, you are right.