Late Ming Dynasty, 16th /17th century Deeply carved with V-shaped channels through multiple layers of differently-toned cinnabar lacquer and thinner layers of black lacquer with four interlocking scrolls to the very shallowly domed cover, the vertical short sides with a simplified key-pattern, a low plain foot ring with a countersunk base revealing an orange-green marbled effect. 2 3/4in (7cm) diameter