Lot Essay
The shape is inspired by an archaic bronze ritual vessel with a long cylindrical body and a flared mouthrim. The taotie-mask cast on the mid-section of the bronze vessel is replicated in stylised form on the present jade vase. Rather than keeping to its cylindrical form, the jade example is of a rectangular cross-section which is probably a more practical shape to carve. A similar jade gu in the National Palace Museum was included in the exhibition, The Refined Taste of the Emperor: Special Exhibition of Archaic and Pictorial Jades of the Ch'ing Court, illustrated in the catalogue, p. 79, where it is compared with its related bronze version dated to the late Shang dynasty, p. 78.