Originating in the 1800’s, Diamine Ink has a long history and has been developed into one of the finest quality fountain pen inks on the market. It’s reliability has lead it to become one of the most sought after inks by both professionals and beginners. The Inkvent series originates from the extremely popular Inkvent Calendar from 2019. The inks were so well received by the fountain pen community that Diamine launched the inks in a full 50ml glass bottle that you are seeing here.