A dignified, heavy inkstone. Nachiguro Stone Studio, Kariya Baikan-do Nachiguro Stone, Combined Inkstone No. 7 A lidded combined inkstone created from a single block, preserving the natural patterns and expressions of Nachiguro stone. A precious stone mined only in the Kami-kami district of Kamikawa Town, bordering Mie Prefecture. Formed approximately 20 to 14 million years ago. Designated as a Traditional Folk Craft of Wakayama Prefecture. Calligraphy Ink Painting Please refer to the images for size.