The Nautilus Ti: Black is so named due to the fact that it is likewise made out of titanium, but it is completely plated black from nib to piston. The Nautilus Ti: Black is also equipped with an same ebonite feed ensuring an unparalleled writing experience especially when equipped with a gold nib. Most importantly however, the Nautilus Ti: Black is the first of what we intend to be a continuing series of titanium Nautili; answering the popular demand.