Identify.

Equestrian statue of Domitian, reworked as Nerva (damnatio memoriae), ca 95 CE, shrine (sacellum) of the Augustales, Misenum, rearing horse, hunting scene (not wearing boots or curiass), fitted with mask of Nerva's features, armor similar to Alexander the Great's (ie. Alexander Mosaic), figure of Hercules wrestling 2 snakes on armor (Domitian considered himself Hercules reborn, one reason we can tell its him)