From Kiyoshi Kato Maruichi Mikawa Chu Nagura (a2950)
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 Maruichi Mikawa Chu Nagura
I have never seen Maruichi Nagura my self so this one os Crazy rare as well
It is bought very very long time by Kato Father
Collector Grade !
size: 170mm 160mm 40mm