Could be anybody. Every cue maker of any level has made a cue of similar design & similar quality in their early stages. I made several cues of less quality than that, and through the years have gotten better & better. If somebody stumbled across one of my first cues, there would be people who argue that it couldn't be one of mine because it's not as refined or on the same quality as my current stuff. At every stage, I did the best I was capable of & was proud of what I produced, even though now I look back at some early cues & wonder why I ever let them out of my shop. We all get better with time & experience, which means we all have some rather basic, less than top notch cues.
I'm taking nothing away from this cue. It looks to be made fairly well and no doubt it hits & plays just fine. There are several clues that it's made early in a cue maker's career, but it's still a neat cue. Nice wenge front & butt with goncalo handle, so it should hit nice. You may never find out who made it.