TWSBI ECO Fountain Pen - Serpentine Bronze Glass Pen as well as manuscripts of

as well as manuscripts of scholars like Leonardo da Vinci

With built-in sharpener

suitable for ink-sketching

ages gracefully

you are able to enjoy a variety of line widths from fine to broad by tilting the nib at different angles

TWSBI ECO Fountain Pen - Serpentine Bronze Glass Pen as well as manuscripts ofTWSBI ECO Fountain Pen Serpentine Bronze Introduced in June 2025, Serpentine Bronze is the second iteration of the ECO fountain pen collection made with mixed color acrylic, following the first version: Amazonite, released in December 2024. The making of Serpentine Bronze involves mixing dark green with white yellow gold acrylic for the cap and piston knob and pairing with a bronze nib and trim. The colors of the acrylic are mixed during the injection