龍山文化 玉璇璣A Chinese thin jade trefoil disc dating from the Longshan culture. Dimensions are: 1/16 inches tall X 3 3/4 inches in diameter. All measurements are approximate. Condition: It is in good condition. Provenance: From Mr. Lee in Houston, TX, father collected in Taiwan prior to 1980s. Similar jade notched discs have been sold at Christie's Hong Kong November 29, 2017 lot 2715 and Christie's Hong Kong November 28, 2018 lot 2709. A similar jade disc from the Longshan Culture is illustrated in _Zhong Guo Yu Qi Quan Ji_, Vol. 1, Hebei: Hebei Fine Arts Publishing House, 1993, pl. 34 (fig. 1). Click Here to View Additional High-Resolution Photos