https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010553
A monkey-alchemist pumps a bellows in a laboratory; alluding to the vanity of alchemy. Process print after J.P. Le Bas after D. Teniers the younger.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use