The Opus 88 Demo Transparent Fountain Pen is a high-quality writing instrument that features a clear acrylic body that allows you to see the ink inside. This pen is part...

The Opus 88 Demo 2020 is a fountain pen that features a clear demonstrator body made from acrylic material, allowing you to see the inner workings of the pen. This...

The Opus 88 Demo 2021 Yellow Fountain Pen is a limited edition fountain pen from the Taiwanese pen company, Opus 88. It features a demonstrator-style design, which means that the...

The Opus 88 Demo 2022 Purple Fountain Pen is a high-quality writing instrument that is sure to impress pen enthusiasts and collectors alike. This pen features a transparent purple acrylic...