Keystone - Butcher's Broom

Birmingham Keystone Butcher's Broom is a traditional dye-based green ink from the Keystone Formula line, offering a fresh, natural hue inspired by the butcher's broom plant. It's known for its reliable performance in fountain pens, with good shading and smooth flow suitable for daily use. This ink suits writers seeking a versatile, water-soluble green without sheen or water resistance.