One of the classics. Waterman Bleu Mystere. My father told me he was using think ink when he was in school as a student, so I thought to try it for myself :)
WATERMAN encre pour Stylo plume, couleur Bleu Mystère, flacon 50 ml
Waterman Mysterious Blue Ink - 50 ml Bottle | JetPens
Waterman | Inksnibs
Waterman | Inksnibs
Waterman Ink Bottle for Fountain Pens, 50ml | Michaels
encre bleu des mers du sud Waterman - www.stylo-plume.org
Waterman encre pour stylo plume | flacon d'encre Bleu Mystère | bouteille de 50 ml : Amazon.fr: Fournitures de bureau
As promised, and as usual, here is the full swatch of Waterman - Bleu Mystere :) Such a lovely ink for legal documents and signatures! : r/fountainpens
Waterman Blue Black (Pack of 8) Fountain Pen Cartridge – RefillFinder - Pen Refills, Ink and Filofax Diary Calendar Refill
Waterman Mysterious Blue | Here's a Hint...It's a Pretty Cool Mystery When You See It! - YouTube
WATERMAN boîte de 8 cartouches longues, couleur Bleu Mystère pour Stylo plume
Etui de 8 cartouches longues encre bleu mystère WATERMAN - La Poste
WATERMAN encre pour Stylo plume, couleur Bleu Mystère, flacon 50 ml
Waterman Mysterious Blue Ink
WATERMAN encre pour Stylo plume, couleur Bleu Mystère, flacon 50 ml - Recharges encre stylos et stylos plume - Achat & prix | fnac