Chinese inkstone, a Duanxi inkstone. The box is quite damaged as it is an antique. The inkstone itself also shows some signs of use. Please check the images. The shape is an orthodox square, and I think it is easy to use in terms of size. 【Size】 Length: 200mm Width: 134mm Thickness: 27mm Weight: 1370g 【Duanxi Inkstone】 **Duanxi inkstone (Tankei-ken)** is a high-quality calligraphy inkstone made from rare "Duanxi stone" mined in the Duanxi area of Zhaoqing City, Guangdong Province, China (west of Guangzhou). It is considered one of the "Four Treasures of the Study (inkstone, ink stick, brush, and paper)" due to its excellent ink grinding ability, smooth feel, and beautiful stone patterns, and is a masterpiece that combines practicality and artistry. It has been prized since the Tang Dynasty, and those mined from "Laokeng" and other areas are considered the highest quality. They are known for their good water retention and the ability to keep ink from drying out, making them highly valuable as collector's items.