Grohmann 3S with Military Style Overlap Sheath.
Standard Issue Canadian Military Utility Knife since 1964!
These knives are relatively unknown outside military circles. This is the one that “Cold Steel” should have copied, but they chose to copy a similar model offered by the same company.
These knives go by many names, Jump Knife, Riggers Knife, Grohmann, Boat Knife, Russel Belt Knife …..