Identify.

The Alexander Mosaic, Napes Arch. Museum, 80 BCE, House of the Faun, Pompeii, floor of the exedra, Alexander the Great and King Darius III of Persia, thought to show an actual battle (probably Battle of Issus or Battle of Gaugamela), probably a copy of a Greek painting (Hellenistic), Hellenistic tropes (large eyes, Anastole hairstyle), movement (shows the 2 kings coming towards each other in the chaos), Darius reaching out to a dying man, emotional, dramatic, reflection of a dying Persian on a bronze shield