In Japan the title Dento Kogei-shi is reserved for Masters of
Traditional Crafts and eight areas are recognized. The next pen is another Danitrio and is by Kogaku (Koichiro Okazaki).
It is titled
古代の花 (Ancient Flowers).
The pen itself is a Sho(Shorter)-Hakkaku, an eight sided flat end fountain pen. The base is a dark midori (green).