Visconti Opera Black GuillocheThe Visconti Opera Black Guilloche fountain pen, an elegant part of Visconti's Squaring the Circle collection, is a sophisticated writing instrument that merges contemporary design with traditional craftsmanship. Crafted from black acrylic resin and featuring rhodium plated trims, each pen is finely etched with a pinstripe guilloche pattern, providing a tactile and visually engaging surface. Visconti's 14k gold nib ensures superior writing