Song dynasty The cup delicately-potted with rounded sides rising to a notched rim with incised vertical lines dividing the sides into six lobes, supported on a short spreading foot, the stand with a stepped, flared tray with notched edge surrounding the bell-shaped platform with a raised edge, all supported on a tall, spreading foot ring with petal-shaped edges and lemniscate-shaped piercings, covered overall in a pale blue-tinged transparent glaze. 6 1/2in (16.5cm) diameter, the stand