Collotype picture postcard <Five Seasonal Themes, Natsusakari, Bon no Tsuki> Tsukioka Yoshitoshi

Size: 14.0 x 9.0cm Printing method: Glass plate (collotype multicolor printing)
Work information: Yoshitoshi Tsukioka 1887 Collection of Edo-Tokyo Museum, Tokyo

○ What is Collotype?
Offset printing, a common printing method, expresses colors and shades with a density of small halftone dots, but collotype expresses continuous gradation, so it expresses fine details that are closer to the real thing than photographs. .