It's Itoigawa-produced black and white jade. Notes: 1. Depending on your monitor, the color of the item may appear different from the image (some items may be photographed wet). Also, please refrain from bidding if you are particular about details such as cracks, scratches, and polishing marks, or if you are nervous. 2. With the exception of some items, we do not perform identification or appraisal of the items. We list items based on information from the source of purchase or self-judgment, and do not guarantee authenticity. Also, some minerals are difficult to identify, and please be aware that there may be incorrect descriptions in the item descriptions or titles. 3. When shipping items, we will pack them properly. However, in the event of an accident during shipping (loss or damage, etc.), we will handle it with the compensation of each delivery company. Please note that there is no compensation if you choose a shipping method without compensation. 4. The items are also listed on other sites. Depending on the timing of the winning bid, we may cancel the bid at the seller's convenience, so please be aware of this.