Archaic Hu-type copper alloy vase, China, Han period (206 B.C. - 220) Globular in shape, flanked on each side by a movable ring on a background of a Taotie mask in slight relief. Covered with a crusty green patina on an anthracite background. The body is decorated with three raised fillets. The underside has a thick malachite and lapis lazuli patina. Height : 38 cm