TWO ARCHAIC BRONZE RITUAL WINE VESSELS, GUShang dynasty, 13th century BCE Each tall, slender vessel with a flared trumpet mouth finely cast with four blades enclosing two rows of leiwen , the central section and flared foot similarly cast with elaborate taotie masks set off by four vertical notched flanges and separated by paired raised horizontal bands, the underside each with a single pictogram on the interior of each foot, the vessel covered in and out with malachite encrustations and burial earth. 10 3/4in (27.4cm) high; 6 3/8in (16.2cm) and 6 7/8in (17.5cm) diam of mouth (2). 商 青銅觚兩件 Provenance: Sotheby's New York, March 19, 2007, Fine Chinese Ceramics and Works of Art, including Property from the Collection of the Albright Knox Gallery, Buffalo, New York, lot 530, published as Acquired from a Californian Collector, 1992 來源： 加州私人藏品，1992 紐約蘇富比，2007年3月19日，拍品編號530 A Shang dynasty bronze gu of this design with a different pictogram inside the foot, in the collection of the National Museum of Asian Art, Smithsonian Institution, is illustrated by R. Bagley, Shang Ritual Bronzes in the Arthur M. Sackler Collection , Cambridge, 1987, pp. 234-235, no. 31.