The death of Sarpedon, depicted on the obverse of the Euphronios krater, c.515 BCE.
Sarpedon might have fought in a suit of bronze armor similar to this. The helmet pictured was made of boars’ tusks.
Of course people could see blue before modern times. Homer was being poetic, not literal, when he talked about the 'wine-dark sea.' http://tinyurl.com/ndwfpwa
Watch Me Paint: Mysterious stone balls
A Bronze Age warrior from the sanctuary of the Ingot God at Enkomi, Cyprus dated about 1200 BC.
Late Bronze Age horse and chariot from Mycenae.