This is a rare and valuable Go stone set featuring exceptionally thick Suwabute clam stones, comparable to Snow Grade No. 38 in size. Even within the 150-year history of Go stone production in Hyuga, only a limited number of such stones have ever been crafted.
For this special set, we have paired these Go stones with the highest-quality black persimmon Go bowls, crafted by Takashi Nishikawa, along with a dedicated storage box.

<Go Stones, Made from Hyuga Suwabute Clamshells> (Original price: ￥4,200,000)
・Snow Grade, Size 38
・White Stones：180 pcs, Thickness >10.7mm
・Black Stones：181 pcs, Thickness >11.0mm
・Include spare Go stones (black & white, two of each) and quality certification
・Packed in a special-made wooden box
The Go stones are made from Suwabute clamshells, a unique species of clam in the whole world that can only be collected on Okuragahama Beach in Hyuga City of Miyazaki prefecture. It features an exceptionally refined striped pattern, high quality, and stain resistance.

<Go Bowls> (Original price: ￥485,000)
・Kurogaki(black persimmon)
・Size XL
・Size of Stones： XL, Size of 32～38
Kurogaki(Black persimmon) is a rare old persimmon tree with a beautiful pattern of black and white.
The inside of a normal persimmon tree is white, but in rare cases, a black heather like that drawn with ink may be included.
Kurogaki is a very rare wood because it is extremely rare for such a black pattern to appear and it is difficult to find it.
The Kurogaki Go bowls is highly regarded among the go bowls because of its beauty and rarity.
Each go bowl has a different color patterns, and you can enjoy various patterns depending on the viewing angle.
There is the auther's brand”西川嵩” on the back.

<Paulownia Go bowl box> (Original price: ￥7,800)