https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962250
A king presiding over a massacre of infants; soldiers pour the blood of the infants into a boiling vat; probably representing the stage of 'putrefaction' in the alchemical process. Coloured etching after etching, ca. 17th century.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use