Nakaya Dorsal Fin Version 2 Ishime-Kanshitsu Heki-tamenuriOne of the most distinctive pen models created by Nakaya, the Dorsal Fin Version 2 is created by applying multiple layers of urushi lacquer over a period of months to create the fin shape on the cap and barrel. The surface is then completed in either smooth urushi or stone texture Ishime Kanshitsu finish. Nakaya is a company that strives for the unique, and perhaps the best example is their Dorsal Fin series of pens. Seen here is the version two,