ALT My photo shows four carved chess pieces, creamy beige in colour against a warm beige display surface at the National Museum of Scotland. Dated c. 1150-1200 Top L - warder piece, standing, wearing a long garment and conical helmet. He holds a drawn sword in his right hand, in his left, a long, kite-shaped shield. Carved from sperm whale tooth. H 9.3 cm x W 4.3 cm Top R- warder piece, also known as a ‘berserker’. Standing, wearing a long garment and conical helmet. He holds a drawn sword in his right hand in front of a large kite-shaped shield. He has large eyes and bites the top of his shield. Carved from Walrus Ivory. H 8.2 cm x W 3.9 cm Bottom L - Queen piece seated on a throne, cradling her face in her right hand. She wears a crown and a long dresss and cloak. Walrus ivory. H 9.5 cm x W 5.1 cm Bottom R - Bishop piece seated on a throne with a staff known as a crozier held with both hands. He wears a long garment and cloak with decorative edging. Walrus ivory. H 7.5 cm x W 4 cm