Matrix used in the manufacture of helmet plaques.The dancing figures, berserkers, wear a helmet whose horns terminate in birds' heads & his companion wears the mask of a wolf or bear. Country of Origin: Sweden Culture: Viking. Date/Period: 6th C. Place of Origin: Bjornhouda, Torslunda parish, Oland. Material Size: bronze. Credit Line: Werner Forman Archive/ Statens Historiska Museum, Stockholm . Location: 18.