https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953893
A physician in traditional costume examining urine in a flask, the young female patient is in bed, France 14--. Coloured etching by P. Pauquet after a 1493 manuscript.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use