https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13989702
An itinerant medicine vendor selling his wares on stage with the aid of three musicians to an audience in the ruins of a temple. Etching by J.J. de Boissieu, 1773.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use