Public domain
Boy Drawing Up His Knees
From the collection of Kunstmuseum Basel. Free to download, adapt and use — no permission needed.
Credit lineKnie anziehender Knabe. um 1922/26. Otto Meyer-Amden (1885–1933). Kunstmuseum Basel, Kupferstichkabinett, Schenkung aus dem Künstlernachlass. Public domain.