Similar ding of this early type include one unearthed from a tomb in Shaanxi, illustrated in Shaanxi chutu Shang Zhou qingtongqi, Beijing, vol. 1, p. 57, no. 52; one unearthed in Henan province, illustrated in Henan chutu Shang Zhou qingtongqi, Beijing, 1981, vol. 1, p. 44, no. 41; and another, from the collection of Richard J. and Jean D. Salisbury, included in the exhibition, Ancient Chinese Bronze Art: Casting the Precious Sacral Vessel, China Institute in America, New York, 1991, no. 3.