Old tooth dashanzi chessboard, tooth grain norm of coloured drawing or pattern, coloured drawing or pattern process, double-sided weidiao, side to act the role ofing figure, one side the lad figure, laugh at nature, patina Huang Run, carver exquisite, at the bottom of the belt, the design is exquisite, meaning auspicious, all goods, size: 7.4 * 2.1 * 4.4 cm long, weight: 66 g