Public domain
Thirty-Two Types of Customs: Omota Sō, Deep River Courtesan Customs of the Tenpō 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 おもたさう 天保年間深川かるこの風ぞく. 明治21. 芳年. National Diet Library, Japan. Public domain.