This is typical condition for suwabute go stones. （See photos. ● Thickness: White stone about 6.3～6.7mm (size22 ). ● Material: clamshell from Japan（蛤）made in Hyuga City, Japan. slate from Mie（那智黒）made in Hyuga City, Japan.
This is typical condition for suwabute go stones. （See photos. ● Thickness: White stone about 6.3～6.7mm (size22 ). ● Material: clamshell from Japan（蛤）made in Hyuga City, Japan. slate from Mie（那智黒）made in Hyuga City, Japan.