A single gold earring of this shape excavated in 1992 from a Liao dynasty tomb in Inner Mongolia is illustrated by Yu Jianshe, ed., Essence of Chifeng Historical Relics Series, 2006, p. 47, no. CJ031. See, also, the similar earring of slightly larger size (5.7 cm.) dated to the Liao dynasty illustrated by Julia M. White and Emma C. Bunker, Adornment for Eternity: Status and Rank in Chinese Ornament, Denver Art Museum, 1994, p. 158, no. 71.
A Technical Examination Report is available upon request.