An important and rare set of archaic bronze ritual; vessels, early Western Zhou Dynasty (1046-977 B.C.); this group is comprising a zun, decorated around the body with a narrow band of kuilong interrupted by raised beast masks, the interior cast with a seventeen-character inscription translating to 'Pi Shu makes an offering of this set of vessels. He diligently prepared this set of ritual vessels for his mother. The vessels are to be sent together with his mother. X [clan sign]'; a pair of gu each decorated with a pair of abstract taotie masks centered by vertical flanges, one cast to the interior base in relief with a simplified version of the inscription comprising five characters, and the other comprising four characters; a pair of jue each decorated around the body with a narrow band of upright blade motifs, cast to one finial post with yong and underneath the handle with qian; a zhi cast to the interior with the single character qian (6), height of zun: 19.5 cm, height of gu: 20.5 cm; height of jue: 18.3 cm, height of zhi: 13 cm