Moon Grade Clam Go Stones Size33 made in Hyuga with Go Bowls Igo Japan 2
● Thickness: White stone about 9.2～9.5 mm (size33 ). slate from Mie（那智黒）made in Hyuga City, Japan. ●Condition: You can see a single streak of a different color on the bottom of the bowl, but this does not affect their use.