Public domain
Thirty-Two Aspects of Customs: Boldness. Customs of Courtesans in the Kanei Era
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line風俗三十二相 むまさう 嘉永年間女郎の風俗. 明治21. 芳年. National Diet Library, Japan. Public domain.