Chinese Antique Ink: Tessai Osho's Calligraphy and Painting Treasure Ink, Oil Smoke 101, Made by Shanghai Ink Factory. With a bookmark/explanatory text. Ink weight: Approximately 61g Length: Approximately 11.2cm This is antique ink. Details are unknown. Please check the photos for the condition and make your own assessment. Thank you for your understanding. I hope someone can make good use of it.