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

Woodblock printed book; ink and light color on paper

Woodblock print; ink and color on paper

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

Ukiyo-e woodblock-printed book page; ink on paper

Left panel from an ukiyo-e woodblock-printed "ōban" triptych; ink and colors on paper with printed signature reading "Utamaro hitsu"

Woodblock-printed, thread-bound volume (second of a set of three); ink and colors on paper

Woodblock print; ink on paper

Ukiyo-e woodblock-printed "surimono" in "yokonagaban" format; ink and color on paper

Center sheet from a Yokohama woodblock-printed ōban triptych; ink and color on paper

One sheet from a Yokohama woodblock-printed ōban triptych; ink and color on paper

Sixth of eight(?) ukiyo-e book pages from a continuous woodblock-printed composition; ink and color on paper

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