Blue Incense Ink, Made by Isshindo, Japanese Ink, Old Ink, Blue Ink

Seiko Sumi (Blue Ink) - Made by Isshindo - Selected by Sakaki Bakuzan
Made in Heisei 6 (1994)
Diameter 6.8 cm, Thickness 1.5 cm

While many blue sumi inks tend to have a somewhat dark and heavy blue hue, this ink has a bright and soft blue color.
I am listing this item because I haven't been using blue sumi ink recently.
For calligraphy, sumi-e (ink wash painting),絵手紙 (picture letters), and Japanese painting.