Parker Duofold International Black with Palladium-plated Trim, Fountain Pen with Medium solid gold nib (S0690580) Stunning craftsmanship based on a classic style established in 1921. Every Parker Duofold is finished by hand and precision-crafted from a solid block of hand-cast acrylic. Solid gold nib with rhodium highlights is hand-polished and manually assembled to provide the ultimate in writing comfort and high-precision lines. Finished in precious metals, Duofold offers an exceptionally comfortable and luxurious writing experience