A pair of iron-red 'dragon' bowls seal marks of Daoguang, each with widely rounded sides springing from a short straight foot, decorated on the exterior with two iron-red dragons pursuing flaming pearls on a ground of white enamelled sgraffiato waves, the interior and base glazed in turquoise, gilt-edged rim, the base inscribed in iron-red with a six-character mark, 11 cm and 11.3 cm diameter