A similarly decorated mirror of the same size, dated Sui dynasty, is in the collection of the Sichuan Province Museum and is illustrated in Zhongguo qingtongqi quanji - Bronze Mirrors, vol. 16, Beijing, 1998, p. 111, no. 109. Another similar mirror in the Hakone Art Museum, Japan, also dated Sui dynasty, is illustrated in Mayuyama, Seventy Years, vol. 2, Tokyo, 1976, p. 51, no. 96.