A MOTTLED OPAQUE JADE CONG, NEOLITHIC PERIOD, LIANGZHU CULTURE, 3RD MILLENIUM BC The thick-walled cong is finely carved with four squared, projecting corners each divided into two registers. The opaque stone is of dusky-pink and iron-red color with areas of olive-green. Provenance: From an old Austrian private collection. Condition: Extensive wear and weathering, minor losses, fissures and areas of erosion. Weight: 591 g Dimensions: Diameter 8 cm The upper register with a mask of two raised bands with parallel lines above a pair of incised circular eyes and a simplified nose formed by a small band with rounded ends, the lower register with a similar mask, but lacking the two raised bands and with larger eyes instead. Literature comparison: Cong carved with two registers presenting both types of masks have been discovered in some of the most important Liangzhu sites, such as Sidun (Wujin, Jiangsu), Fanshan (Yuhang, Zhejiang) and Fuquanshan (Qingpu, Shanghai). See Zhejiang Institute of Cultural Relics and Archaeology, Liangzhu wenhua yuqi (Jades of the Liangzhu Culture), Beijing 1990 nr. 10, 11, 15, 18, 19, 22 and 24. For additional examples of two-tiered cong see Prof. Filippo Salviati, 4000 Years of Chinese Archaic Jades, 2017, nr. 51, 53 and 54. 灰白玉琮，新石器時代，良渚文化，公元前3000年 琮厚壁，精雕細刻，不透明並成暗粉色和鐵紅色以及橄欖綠色。 來源：奧地利私人老收藏 品相：廣汎磨損和風化，輕微缺損，局部侵蝕。 重量：591 克 尺寸：直徑 8 厘米