A masterpiece of sculpture of jade-like material. Meticulously carved to imitate the Gen Jee Zwen of Western Zhou (see, e.g., photo 0442, p.127 of The Best Cultural Object of China, Bronze Section, ISBN 7-5326-0376-8/J.12). It is heavy for its size and has a great pale green color with small light brown inclusions. The outer base has a mark indicating that it is made by or belongs to Nai Wu Fu (the Imperial Palace Administration that made utensils, including jade carvings for the Forbidden City. 此尊是仿西周，庚姫尊（中國文物精華大辤典，第127頁，圖0442） 底有“內務府”款。內務府是清朝供應紫禁城內宮中用品的機構，有許多作坊，其中造辦處的玉作坊是專門雕玉石類藝術品以供乾隆等皇帝欣賞。 H. 19.7, Dia. 14.9 cm, 1642 g.