Mr. Nishihara has created a small series here of Goldfish of various sizes and colorations.
There were only 2 pieces made. #1 of 2 sold at the DC '25 Pen Show. Number #2/2 is available here. Each piece signed and numbered by Mr. Nishihara.
Based on the Model 03 Modified with solid cap. Lifetime warranty, converter, paperwork, pouch, box, all included. $850