From Kiyoshi Kato Narutaki Lv 2.5 (a2946)
Pre owned by Mr. Kiyoshi Kato
I was very lucky to buy these stones from Kato, that he and his father have collected !
They are crazy old and have been collected by Kato father and him self to be used on swords and knives
I got total 6 Stones and one I will Keep for my self :)
This one is very old Narutaki stone Lv 2,5 Probably from Shobudani mine
It is bought very very long time by Kato Father
Super easy to use and amazing for all tools and knives !
Collector Grade !
size: 205mm 77mm 35mm