Keystone - Railroad Spike

Railroad Spike is a dark steel blue ink from Birmingham Pen Co's Keystone Formula line, featuring sparks of burgundy sheen in saturation and subtle shading for a dynamic writing experience. Known for its traditional dye-based formula that's easy to clean and versatile for blending with other inks, it offers normal flow and quick drying. It suits writers seeking a professional blue-black with character for daily use.