The Guilloche Sage Green series brings a fresh, nature-inspired touch to fine writing. With its detailed Guilloche engraving and soft green tone, it has a beautiful aesthetic and uniquely textured finish. Barrel made from precious resin in fresh green with an exquisite grain guilloche engraving for a pleasing tactile experience. Solid, spring-loaded clip. Metal parts ruthenium coated. Fountain pen with handmade 18-carat gold nib with iridium tip and ruthenium coating. Cartridge / converter system.