This is a kind of Utsurimono.
The Essential Book of Koi: A Complete Guide to Keeping and Care(Amazon.com)
Ki Utsuri
Ki Utsuri, by far the rarest type of Utsuri, combine patterns of yellow over a lacquerish black body. Ki Utsuri are judged by the same criteria as Shiro and Hi Utsuri.
Ki Utsuri which has beautiful and clear yellow patterns is very rare.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-uR9xa-kYFUKKCKHhUO0VLAeLxhDLkVenn6Ljqz0dip5yxhKwkcsx4gxd1ryUheIF_1Jk7flYpMNu37iLMUVntNZC6ctY4Y7RVi6LuwBuueKTtqS_wWLb4qMF9zQG86C41wJvVs6mlw0e/s320/KOI_Ki_Utsuri02.jpg)
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