Restoration, Mysterious Knife

Hello. I bought this knife from an elderly man who sells used tools. I didn't go to the market to buy a knife, I went to the market to buy files, and I also needed a rasp for wood. I walked to the middle of the aisle of the bazaar and saw the files I needed, the man had different tools, and among these tools were two knives, one was a shoemaker's knife, and the other was this one that I repaired in the video. I asked: Does this knife have a history? Is that your old homemade knife? The man replied that he had not tried to make knives himself, and for him it turned out to be a very strange mysterious find among his tools.
I wrote everything I remember about that day, it was three years ago. Thank you for supporting what I do, I hope you enjoy such an unusual knife.