Nakaya Decapod Cigar Sumiko Gold STSumi charcoal is the same material used in Japanese Sumi paintings and is used here to achieve a depth of black which allows a remarkable contrast with the gold maki e. There is little wonder that this pen is only available in the no clip (Cigar) version as the form is so strong that a clip would interfere with the elegant simplicity of this fountain pen. With its matte black finish and sleek gold accents, the Nakaya Decapod Sumiko Gold ST fountain