A blue and white 'dragon' bowl seal mark and period of Daoguang, of ogee form, painted on the exterior with two dragons among scattered cloud scrolls, the interior with a further dragon in a central medallion, all between double line borders, box, 17.2 cm diameter. Provenance: The Tim and Sally Turner Collection, Fine Chinese Ceramics and Works of Art, Christie's, New York, 19 September 2014, lot 955 (part lot). Private Collection, Melbourne