Here is another knife restoration video, I searched online and this design is very old , this is an Antique or Vintage Japanese Knife, it is a Japanese Kiridashi, an all purpose utility knife. I found this knife from a Second hand Tool Store. it has also a Japanese marking at the back of the knife.
Video KNIFE RESTORATION – Antique / Vintage Knife, Japanese kiridashi
Share for free: https://xanhen.com/.