Rare Sumi-e Inkstone, Extremely Rare Zen-gyo Yellow Chengni Rectangular Inkstone [Four Treasures of the Chinese Study] I am organizing and getting rid of furniture and dishes due to the relocation of my parents' home. This is a Sumi-e inkstone that produces excellent ink. It has been stored for a long time since my grandfather's generation. According to my parents' memory, it is unused. It appears to be clean with no signs of use to the naked eye. Some parts of the inkstone have indentations from the beginning. The lower right corner has traces of a price tag being removed. The wooden box has no scratches, but there are slight indentations. Please check the photos for the detailed condition as it is an old item. This is a Chengni inkstone made in the 1970s. At that time, they rented out Lingyan Mountain in Suzhou, and it is believed that tens of thousands of inkstones were produced. [Chengni Inkstone Rectangular Type Zen-gyo Yellow 7 inches] There are said to be three types of Chengni inkstones. One is made by firing mud, the second is made by pulverizing and baking stone materials for inkstones, and the third is natural stone. This Chengni inkstone is made from natural stone produced in Lingyan Mountain, Jiangsu Province, China, and is called Zen-gyo Yellow because the color of the stone is yellow like the back of a Zen-gyo (rice eel). It comes in a wooden box and is perfect for gifts. Size is actual size 17.8 x 11 x 2.1 Please refer to the images.