Lamy 2000 Matte Black Fountain Pen - Medium Made of a combination of black fiberglass and brushed stainless steel known as Makrolon It is piston filled and as such can only be used with an ink bottle and not with ink cartridges 14K gold, platinum-coated extra fine nib The Lamy 2000 is so revered that it is on permanent display at the Museum of Modern Art and has won countless design awards The pen barrel also features four small window sections above the grip to view the ink inside