r/Higonokami

Someone on the r/translating subreddit said this is a place to go to talk about these knives, my brother gave it to me since it was incredibly rusted and seized, did my best to clean it up, is this a real one? Or a knock off? I didn’t have a scale when taking the picture but it is bigger than the “mini” versions I’ve seen of the knife, almost as long as my hand, just a few inches short

I like to attach a Lanyard to my knife.

What do you recommend?