This gold helmet, painstakingly decorated to look like the wavy hairdo and ears of its wearer, was found in 1927 by British archaeologist Sir Leonard Woolley during excavations at Ur, an ancient city in Mesopotamia that is now part of Iraq.The artifact was recovered from a tomb in the Royal Cemetery along with alabaster vases, gold daggers and golden bowls -- one of which listed the name Meskalamdug, meaning "hero of the good land." But since the tomb was not as big or as richly furnished as other royal tombs, Woolley suggested the deceased was probably a prince rather than...