Based on the style , size, blade thickness, and the somewhat rough F&F my guess would be that it's a USGI Cooks knife.
As I understand they were kind of a general purpose do all kitchen knife used for just about everything except pairing, so they were thicker and more robust than a typical large chef's knife.
They were made by many manufacturers and the Gov't wasn't paying a premium for these things, so Fit & Finish wasn't a huge priority .
The unidentified GI cooks knife my dad gave me was very similar to this, but most were of this general pattern.
15" oal, carbon steel, forged bolster, basic wooden scales, and the only markings would be etched on the blade ( some companies didn't leave off the handle stamps )