A RARE PALE CELADON JADE SLIT DISC, JUE, EASTERN ZHOUJade. China, Eastern Zhou, 8th-6th century BCOf circular form, pierced with a hole in the centre with a slit through the edge, finely incised to both sides with stylized confronting dragons, their heads meeting at the slit.The translucent stone is of a pale celadon tone with russet veins and areas of white calcification.Auction comparison: Compare a related celadon and russet jade slit disc, also dated to the Eastern Zhou, at Sotheby’s New York in Junkunc: Arts of Ancient China II on 10 September 2019, lot 202 (sold for USD 300,000).DIAMETER 6.3 cmProvenance: Private Collection of Irene and Wolfgang Zacke (1942-2022).