Bowl with two green pearl chasing dragons on a yellow ground

Bowl of porcelain with straight wall, covered with a yellow glaze and painted in underglaze blue and on the glaze green and black. The outside of the bowl is covered with a yellow glaze with here cut out and with incised lines two pearl-chasing five-clawed dragons between clouds; around the rim a cut out, incised cloud motif in green. On the underside the six-character mark of Emperor Yongzheng in a double circle. Porcelain with enamel colors.