A cow in center drinking from a fountain adorned with the Medici coat of arms at left, accompanied by a shepherd standing behind, from "Six Animal Subjects" (Six Sujets d'Animaux) Wall Art

"A cow in center drinking from a fountain adorned with the Medici coat of arms at left, accompanied by a shepherd standing behind, from "Six Animal Subjects" (Six Sujets d'Animaux)" by Stefano della Bella, ca. 1643–48. Etching. Original high-resolution public-domain artwork from The Metropolitan Museum of Art.