PARKER Duofold Centennial Fountain Pen, Prestige Ruthenium Chiselled, Medium Solid Gold Nib, Black Ink and Convertor (1931364) Emblem of the Parker tradition of quality craftsmanship since 1921 Centennial Size fountain pen with larger barrel, cap, and nib Ruthenium-plated base with expertly chiseled patterning and palladium-finished trims 18-karat solid gold bi-tonal rhodium-plated nib Medium nib; black ink