March of an army on a plain, the commander in chief in front, his aides behind him, a trumpeter on horseback at right, a plain with various figures and horses in the background, from "Varie Figure" Wall Art

"March of an army on a plain, the commander in chief in front, his aides behind him, a trumpeter on horseback at right, a plain with various figures and horses in the background, from "Varie Figure"" by Stefano della Bella, ca. 1645. Etching; first state of four. Original high-resolution public-domain artwork from The Metropolitan Museum of Art.