Go stones: Yukijirushi (Snow Brand) - Hyuga Tokusei (Special Made) No. 41 Thickness: Black approx. 12 mm, White approx. 11.7 mm White: 191 stones, Black: 181 stones Superb condition. Almost unused. These were owned by my father, and these are the last go stones he had. Please judge the condition from the images. Some price reduction is possible.