The Aurora Silver Cap Optima Pencil. Precious materials, craftsman finishings, attention to details. Optima re-evokes the elegance and sobriety of a model which made history in the Thirties.The caps of all silver Optima pens are made of solid silver, whereas, the barrel in all Aurora Optima silver pens are made of solid silver, with gold-plated trims. The fountain pen features a solid gold nib and the traditional piston refill mechanism and hidden reservoir. Matching roller-ball pen and twist-action ballpoint pen is also available.