Diamine Inkvent Calendar 2019/Blue Edition 2020 #18 Holly
Holly is the twin to no. 16 Season’s Greetings, but Holly is much greener, as you can see on the (pretty badly lit) comparison pic:
It did work okay in a Pilot Capless with a fine nib, …
but I liked it a lot better in a Sailor 1911s (Profit Standard) Nagasawa Kobe “Proske” with a HMF nib, where it, although I turned my back towards highly saturated, dense inks a while ago, surprisingly flowed so well that it was written dry very quickly, and then again, and again.