Montblanc Unisex Fountain Pens. Starwalker series. SKU: 118845. Handcrafted Au 585 / 14 K gold nib rhodium finish with special engraving. Barrel Material: Resin. Cap Material: Resin. Refills: Montblanc Ink - Montblanc ink cartridges: Mystery Black, Royal Blue, Midnight Blue, Burgundy Red, Lavender Purple, Oyster Gray, Toffee Brown, Irish Green, Corn Poppy Red. Color: Black. Size: 135.7 x 14.9 mm. Montblanc Starwalker Unisex Fountain Pen 118845. Nib Size M.