Mercury-Noir blends deep black with soft gray undertones, creating a refined ink perfect for journaling, professional documents, and creative designs. Achieve a sleek and modern look with this versatile shade. Crafted with Monteverde USA’s European Ink Treatment Formula (ITF), this ink ensures smooth flow, fade-resistant performance, and bold color. Designed to deliver exceptional results with every fountain pen. Quick-drying and smudge-resistant formula guarantees clean and precise lines on all paper types. An excellent choice for both artistic and professional use. 30ml eco-friendly glass bottle is compact and designed for hassle-free refilling and long-lasting use. A sustainable and stylish addition to your writing toolkit. 30ml eco-friendly glass bottle is compact and designed for hassle-free refilling and long-lasting use. A sustainable and stylish addition to your writing toolkit.