https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13952643
Two dogs of different breeds, shown standing in profile. Chromolithograph by F. Gerasch after A. Gerasch, 1860/1880.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use