Platinum, Curidas, Graphite Smoke Fountain PenPlatinum Curidas Urban Green Description: The Platinum Curidas offers a gorgeous Japanese steel nib but in a click retractable barrel. Enjoy the writing experience of a Platinum fountain pen with a simple click! This Curidas comes to you in a Graphite Smoke translucent barrel allowing you to see the engineering within! Instead of a traditional fountain pen cap, the Curidas houses and internal seal door to protect the nib when retracted into the pen.