I don't remember my Akifusas discoloring. That grind also looks a lot thinner than I remember Akifusas being.
I bought a 300mm Yanagiba blade from him about 10+ years ago. I wanted a blade without a handle since I wanted to make and fit my own handle - something
I have only held one (Kato honesuki) in my hand -didn't cut anything. It was substantiel - in a good way. I loved it. But they cost more like 500 $ and
There is maybe a conflict; whether to keep these things to yourself as though no one else has ever felt this, or let it out as though making the announcement