Ink: Tessai Osho Shoga no Hōboku (Ink for Calligraphy and Painting by Tessai), made by Cao Sugong Yaqian of Huizhou. Oil soot 101. This item was found while organizing my parents' house. The bag containing the ink is stained. If you would like additional photos, please let me know in the comments. Please understand that this item has been stored at home and has been inspected by an amateur, so there may be oversights. Although it is unused, it is an old item, so please purchase only if you understand this.