circa 2500-2000 B.C.
with plain flat sides and squared rims, the green stone mottled in white, the softly polished surface with encrusted earth from burial.
Diameter 4 3⁄8 inches (11.2 cm)
Ex Collection Professor Max Loehr, acquired in Beijing, 1943
Ex J.J. Lally & Co., 1993 catalogue no. 19
A similar jade ring unearthed from a Neolithic site at Lushanmao, Shaanxi province, is illustrated in Yu hun guo hun: yuqi, yu wenhua, Xia dai Zhongguo wenming zhan (Soul of Jade, Soul of the Nation: Exhibition of Jade, Jade Culture, and the Xia Dynasty Civilization in China), Hangzhou, 2013, p. 109, described as Taosi culture.
新石器時代 玉環 徑11.2厘米
來源 羅樾教授1943年購於北京
藍理捷1993特展圖錄第19號