A similar jade ring was excavated from Guwei village, Henan province and is now in the collection of the National Museum of China, illustrated https://www.chnmuseum.cn/zp/zpml/kgdjp/202104/t20210416_249807.shtml. Other examples of various sizes are in the collection of the Hangzhou History Museum, illustrated in The Complete Collection of Jades Unearthed in China. Zhejiang, vol. 8, Beijing, 2005, p. 196; in the collection of the Shanxi Provincial Institute of Archaeology, illustrated in The Complete Collection of Jades Unearthed in China. Shangxi, vol. 3, Beijing, 2005, p. 214; and in the collection of Dr Simon Kwan, illustrated in Boda Yang, Chinese Archaic Jade from the Kwan Collection, Chinese University of Hong Kong Art Gallery, Hong Kong, 1994, nos 171-174.