This is a 2-cho type Seihin (Sacred Product) blue ink stick from the long-established Nara shop, Kobaien. It has been stored at home for a long time, and the outer box has stains and scratches, but the contents are in beautiful condition. The size is approximately 10.2 x 2.8 x 1.0 cm. The weight is 33 grams. I am also selling other old ink sticks. Bulk purchases are welcome.