Thank you for looking. High-quality Go stones, size 22, clamshell and Nachi black, with Go bowls. White (180 clamshell stones), Black (181 Nachi black stones) White: Approximately 6.3mm (size 22) Black: Approximately 6.8mm *I am not an expert, so I do not know the origin or grade. Since they are thin, some of the white stones may have chips, but there are no major cracks. *Please check the last few photos for an image. *I will offer a discount if you purchase this set together with the Go board that is also listed. Please be sure to check the photos before considering your purchase. As these are used items, please refrain from purchasing if you are concerned about minor details. Everything shown in the photos is included. There are no other accessories. *Immediate purchase without comment is welcome. Sales type: Single item