Platinum 3776 Century / Chartres Blue (nib : Fine) Chartres Blue - the sky at the heaven Slip and Seal mechanism - You write smoothly even if you don't use 1 year. Supreme performance of pen based on tremendous amounts of information 14K large nib - moderate hardness and softness for writing Equipped accesories : Elegant gift box with 1 blue ink cartridge (converter is sold separately)