A rare calcified jade pig-dragon carvingHongshan Culture, Neolithic Period
In the form of a coiled dragon with its tail curving towards the head, the head carved with double-line scrolls with protruding eyes, drilled with a hole through the neck, the stone of a light chestnut tone, box. 6.6cm (2 1/2in) high (2).注脚新石器時期紅山文化 玉豬龍佩

See four comparable examples of a jade pig-dragon, Hongshan Culture, excavated from burial sites in Liaoning and Inner Mongolia, illustrated by Gufang, The Pictorial Handbook of Ancient Chinese Jades, Beijing, 2007, p.53. Compare also with a pale green and russet jade pig-dragon of Hongshan style drilled with two circular holes at the neck, which was sold at Christie's New York, 21 March 2019, lot 1180.

青黃玉質，略帶白沁，C字形，頭似豬首，圓目，陰刻深皺，雙角扁平，頸部穿孔，孔上部略陷，為穿戴痕跡，一側又琢小孔未穿，躬身踡尾，不封口，似玦，整體圓潤厚重。

玉豬龍為紅山文化常見裝飾用玉，此件玉豬龍穿孔有長期穿戴磨損痕跡。可參考四件出土於遼寧及內蒙古紅山文化遺址的玉豬龍，玉質各異，形態相類，見古方著，《中國古玉器圖典》，北京，2007年，頁53。紐約佳士得售出一件青玉豬龍一側亦有未貫穿之小孔，可資比較，2019年3月21日，拍品編號1180。