Taisho-sanshoku basically has a Kohaku color pattern, and it has black imprints called “urushizumi” in Japanese, which is a characteristic of this variety. It was named Taisho-sanshoku because it was produced in the beginning of the Taisho period in the history of Japan, along with the three colors of the white background and red and black imprints seen in this carp.
The ideal Taisho-sanshoku is considered to be based on the pattern of the Kohaku, with shiny black imprints placed in good balance across the body.

JAS No.2002 Taisho-sanshoku
Taisho-sanshoku has a white body, and there are scarlet and black imprints across the body.