King Abdalonymus of Sidon on horseback hunting lions with Alexander the Great detail of the Alexander Sarcophagus from the Royal Necropolis of Sidon, Hellenistic, 4th century BCE, by nym on flickr, now in Istanbul Archaelogical Museum
Decorative rein post: used to separate the reins on a chariot, as pictured above. Enlarge. The Sumerians did not have horses in the modern sense of the word. Instead they used donkeys, as seen on the post above. The donkeys were not very large; this is the reason why four of them were needed to pull a war chariot.
A rare Urartian Bronze Horse Harness Frontlet, early 1st millennium BC