keystone - ceramic kiln

Ceramic Kiln is a Keystone Formula ink from Birmingham Pen Company, presenting as a golden honey brown with exceptional shading and haloing properties, especially on thicker lines. Known for its traditional dye-based formulation offering consistent performance and mixability with other Keystone inks, it suits writers seeking rich color variation in daily use. Ideal for fountain pen enthusiasts who appreciate subtle, earthy tones with strong visual depth.