Caius Caesar Galigula, from "Twelve Caesars on Horseback" 1565 - 1587

This 16th-century engraving by Abraham de Bruyn depicts Caius Caesar Galigula, the Roman emperor, on horseback. Part of a series called "Twelve Caesars on Horseback", the print is a fine example of Renaissance-era portraiture, showcasing detailed depiction of the subject's attire and the horse's anatomy. The print is part of the Metropolitan Museum of Art's collection in New York.