KWZ Inks Fountain Pen Ink Sample (3mL)KWZ ink is manufactured by Korad Zurawski, who has a PhD in Chemistry. His Inks have been manufactured in small batches in Warsaw Poland since 2012. Production is not on a large scale but instead they focus on creating inks from scratch that are a little less common, or are not be found elsewhere. These inks are for wordsmithing, hand lettering, writing, calligraphy, drawing, and art. 3mL fountain pen ink sample contained in a plastic vial with o ring