Aurora Duo Cart Fountain Pen - Dark BlueThe original Duo Cart with the first pen with space to hold a second cartridge while one was installed. Aurora has reinterpreted that iconic pen, creating a new Duo Cart with the typical 50's tapered shape, hooded nib, and, of course, space for a second cartridge. The navy blue resin body is complemented by a gold plated cap and trims and offset by a black resin grip section. The Dark Blue Duo Cart sports a gold plated, Medium steel nib and arrives in