License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Toriyama Sekien 鳥山石燕. One Hundred Monsters Ancient and Modern (Hyakki shūi) 百鬼拾遺; 今昔百鬼拾遺(こんじゃく ひゃっき しゅうい) ; 百鬼夜行拾遺(ひゃっき やぎょう しゅうい), 1781, spring (An'ei 10). The Metropolitan Museum of Art.