Like the pens, Leonardo Officina Italiana has a line of good quality inks.
The ink comes in an attractive eight-sided 40 ml glass bottle with a plain, appropriately sized black cap.
The ink, bottled by Leonardo, comes in the following colours:
In 2023 I was able to try the new Blue-Black ink that was scheduled to be release by Leonardo. It is a very dark, midnight-blue, leaving a great image on the page. Good flow and has worked well in a various pens I have tried.