Manufacturing Year: 1983 Pure Vegetable Oil Smoke Ink (Rapeseed Oil) Ink Color: Black 7.0 Cho-gata (Size) A reddish-brownish-purple black. A warm, thick, subdued, and refined ink color. The square part of the ink is approximately 7cm x 7cm. This is a color version, so the description may not necessarily match the actual product. Thank you for your understanding.