Zun ritual wine vessel in copper alloy, China, Zhou period, 11th century B.C. Circular shape with flared neck and foot. The slightly swollen median body is decorated with a molded frieze featuring two masks of a taotie, a stylized, symmetrical mythical creature with bulging eyes, a raised nasal crest, involuted horns and jawless fangs. Two narrow, undecorated bands frame the body. A three-character inscription molded into the inner base of the vase: 乍且甫. Beautiful excavation patina, green oxidation. Height: 18 cm; diameter: 19 cm; weight: 1762 g Repairs. Provenance: Former Nourhan Manoukian collection (1906-1993). By descent.