https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13975981
Misunderstanding between a doctor and his working-class patient, who has swallowed the leeches he prescribed. Wood engraving by G. Du Maurier, 1877.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use