Triptych: Surprise Attack at Night at Kumasaka (Kumasaka yau chi no zu)

Woodblock print (nishiki-e): ink and color on paper

Woodblock print (nishiki-e); ink and color on paper

Center panel from an ukiyo-e woodblock-printed "ōban" triptych; ink and color on paper and with printed signature reading "Kōchōrō Kunisada ga"

Woodblock print (nishiki-e); ink and color on paper

Woodblock print (ukiyo-e, surimono); ink, color, and metallic pigments on paper

Ukiyo-e woodblock print in "chū-tanzaku" format; ink and color on paper

Ukiyo-e woodblock printed "surimono" in "shikishiban" format; Ink, color and metallic pigment on paper

Woodblock print (surimono); ink, light color and metallic pigment on paper

Woodblock print; ink on paper

Ukiyo-e woodblock print in "ōban" format; ink and color on paper

Yokohama woodblock print in "ōban" format; ink and color on paper

Ukiyo-e woodblock print: ink and color on paper