FAMILLE ROSE SGRAFFIATO RUBY-GROUND 'MEDALLION' BOWL JIAQING MARK AND OF THE PERIOD finely painted with four medallions containing sprays of peach, pomegranate and rose, interspersed with pairs of lotus sprays, all reserved on a ruby ground delicately incised with scrolling tendrils, the interior painted in underglaze blue with a medallion containing a basket of peaches, peony and rose, encircled by four floral sprays to the cavetto, the base with a six-character Jiaqing seal mark in underglaze blue 18.3cm diam