Famous Ohira Uchigomori Koppa sword Grade.
Very old stock Uchigomori, without any toxic inclusions at all, make super nice and hazy finish.
Sutch stones is very rare now and find them so clean is almost impossible.
Many of them come with many blackness or rust colors witch is not so good as it tend to be to hard ! And can scratch
Also they tend to come not flattened witch makes imposible to look for any hard lines or inclusionce !
This one however is super clean, Flat, light Gray color with a lot of range in it !
Quite fast for Uchigomori stone !!
Max Size: 160mm 75mm 20mm