Montblanc Meisterstuck Solitaire Blue Hour LeGrand Medium Nib Fountain Pen 112889. Montblanc Meisterstück Blue Hour collection is inspired by the magical hour between daylight and night - the Blue Hour – when the city lights sparkle across the skyline as the sun sets. The luxury fountain pen features a cap and barrel with engraved hexagon pattern covered by translucent deep blue lacquer. The cap is crowned by the iconic white Montblanc emblem inlaid and three rings embossed with the Montblanc brand name. The fountain pen is adorned with a hand-crafted Au750/18K gold nib, rhodium coated.