Solid ink "墨寶 (Bokuhou)" made by Shanghai Ink Factory, which follows the lineage of Cao Sugong. 墨寶 (Bokuhou) Made by 元峰筆房 (Genpou Hitsubou) Ink It was stated that this is "古墨 (Koboku)" (old ink) manufactured from the 1960s to the 1970s. - Product Name: 墨寶 (Bokuhou) - Manufacturer: Made by 元峰筆房 (Genpou Hitsubou) - Size: Approximately 14.5 x 3.3 x 1.2 cm - Weight: Approximately 87g I don't know the details. I believe it is unused, based on my amateur inspection. Please check the photos and make your own judgment. I hope someone can make good use of it. m(_ _)m I would appreciate it if those who understand that this is a home-stored item and has been inspected by an amateur would consider purchasing it. ※ I am selling several calligraphy supplies (ink, etc.), so please take a look at them together.