WATERMAN Fountain Pen Ink, 50 ml Bottle, Harmonious Green (51060W5). Bottled ink for all WATERMAN Fountain Pens, Liquid ink produces an intense line in brilliant colors. Emerging from the emotional wilderness, Harmonious green reveals your natural urge to create. The ritual of filling ink from a bottle enhances the noble experience of using classic fountain pens. Skilfully made in France, every WATERMAN pen echoes the genius of founder Lewis Edson WATERMAN, inventor of the first reliable fountain pen in 1883.