Mosha, I am not sure at all. It was exactly the newly carved scabbard in combination with the very uniform dispersion of oxidation together with it's color, that made me suspicious. Might also be the photos, as mentioned.
If Kai says it's good to go, I'd trust him 100%!
I am just a novice when it comes to arms collecting, but I am collecting on a very limited budget and I simply can't afford to make mistakes with my funds. It probably also means that I miss out on some good-deal false-negatives, but I'll just have to live with that.
Take care, - Thor