Yongzheng incised four-character mark and of the period The exquisite translucent stone with natural banded ripples of golden-yellow and honey-brown tones on a sepia ground, superbly carved with shallow rounded sides raising gracefully from a flat base, the stone brilliantly polished to a lustrous sheen, the underside carefully carved with a four-character mark in seal script, box. 16cm (6 1/4in) diam. (2).