https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/11068479
Skull of a cow, in three-quarter profile, the left horn curved (1842), vintage illustration by P. C. Skovgaard. Original public domain image from The Statens Museum for Kunst. Digitally enhanced by rawpixel.
Original public domain image from Statens Museum for Kunst
Public DomainFree CC0 image for Personal and Business use