This is a Columbia River Knife & Tool known as the TUNA, model 2520.
With a profile that suggests strong forward momentum and a blade shape that looks like a deep-sea carnivore" the Tuna(TM) everyday carry folding knife slices through packages and boxes faster than a Bluefin slices through the swell on a taut line.
Features:
Thumb Stud for Easy One Hand Opening
Two-Tone Handle, Stainless Steel and G10 Handle for Secure Grip
Frame Lock Secures the Blade in the Open Position
