This is an ancient Armenian bronze helmet from the mountainous kingdom of Urartu (illustrations found here), famous for its metalworking, much influenced by the cultural centres to the south in Mesopotamia and a bloody thorn in the side of the Assyrians. Here are some reproductions. Notice the forehead icon. I haven’t got a clue as to what it’s depicting, but it makes me think of a stylized bull’s head with an extra pair of tiny horns for good measure. Pretty Chaos Dwarfish: