For this one Mr. Nishiahara utilized the rankaku technique inlaying quail eggshells in the urushi. He's also added touches of maki-e with platinum dust, and a blue base on a black pen. (The section remains black).
He made just two of these and signed and numbered them #1/2 and #2/2. Released here in August of 2025.
Lifetime warranty, converter, pouch, box, etc is all included. $850