Yamato Sanzan Yamato En Original Calligraphy Ink

This is a calligraphy ink made by Yamato En, featuring the Three Mountains of Yamato. This item has been stored for a long time. How about it for calligraphy enthusiasts or collectors?

[Brand] Unknown
[Category] Calligraphy Ink
[Item Condition] Unused
[Color] Blue (Package)
[Other] Long-term storage item

Thank you.