PILOT Custom 823 Fountain Pen (14ct Gold Nib, #15, plunger vacuum) - Demonstrator - Medium Nib

Custom 823 is a unique, everyday fountain pen, with a simple yet elegant design. It's perfect for everyday writing. The Custom 823 fountain pen features the #15 14K gold nib. This is the rare demonstrator version of this popular pen and make the ink more visible in the barrel. Ink is drawn into the pen using a plunger, as opposed to using a converter or cartridge. 

Before use, with the nib up, unscrew the piston knob 2mm.