This is a "Miyabi Shibui" Type pen with a Birdseye Maple "Mokumegane-Nuri. Mokumegane-Nuri is the term for urushi lacquer imitating wood which is achieved by many thin layers of urushi and metal powders.
Glorious Pen Martin,
Beautiful Profile, Proportions, and Turning.
Another Incredible Complex Finish, Superbly Applied.
Great Craftsmanship,
Congratulations,
Brian