Pawn and Rook, ca. 1150–1200. Scandinavian, probably Norway, found on the Isle of Lewis, Outer Hebrides, Scotland, 1831. Walrus ivory. The British Museum, London (1831,1101.127, .121) © The Trustees of the British Museum. All rights reserved. The fine detail of the incised geometric pattern on the pawn and on the shield of the rook is characteristic of the V-shaped graver.