Hour of the Tiger [4am] (Tora no koku), from the series The Twelve Hours in Yoshiwara (Seirō jūni toki tsuzuki)

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

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

Woodblock print (sumizuri-e); ink on paper

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

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

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

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

Detached page from woodblock-printed book; ink and color on paper

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

Woodblock print; ink and color on paper

Woodblock print (nishiki-e); ink, and metallic filings on paper

Woodblock print; ink and color on paper