Here are some Go stones. I received these as a gift, so I don't know the details, but they came in a large go-ke (stone container) with a handwritten sticker on the back that says "[Karim Tokudai No. 31]" (likely a specific type and size). **Product Overview:** * **Clam Shell Go Stones** * Thickness: 8.2mm - 8.5mm, approximately size 31 * Quantity: 178 * **Nachi Black Go Stones** * Thickness: Approximately 8.5mm - 9mm * Quantity: 181 Please check the photos for the condition. **Condition:** This is a used item, so there is some wear and tear, but as far as I can see, there are no major noticeable stains or chips, and it can still be used. This is just my personal assessment, so please make your own judgment based on the photos. **Accessories:** * Clam Shell Go Stones * Nachi Black Go Stones * Go-ke (Stone Container) --- ✔ Instant purchase (purchase without comment) is welcome. ✔ No pets, no smokers. ✔ Cleaned and disinfected. ✔ Free shipping. \* The items in the photos are everything included. \* Please contact us immediately before rating the product if there is an initial defect. We will respond sincerely. Please be careful as returns are not possible after you rate the product. Please understand that this is a used item, and purchase it after carefully looking at the photos and making your own judgment. If you have any questions, please contact us before purchasing. If there are any problems, please contact us before rating the item. We will respond quickly. m(\_ \_)m