painted to the center with a shuangxi (double happiness) roundel, enclosed by interlinked ruyi heads, surrounded by bands of lotus scrolls, pendent ruyi and further lotus scrolls

Collection of Gustav Detring (1842-1913) or Constantin von Hanneken (1854-1925), and thence by descent. 

The dish with enamel loss to the copper body along the inner rim and visible in the illustration. There are further losses of enamel on the underside along the rim which has several dents. The surface with cracks, pitting and wear overall.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.