Rare and fine Chinese export porcelain oval butter tub stand decorated in opaque enamels from the 

) palette with the arms of D. ANTONIO DE S. JOSÉ DE CASTRO, Bishop of Oporto, c. 1810, w. 15 cm, 6 in. 5.4038

• Portugal in Porcelain from China: 500 years of trade, by A. Varela Santos, v. II, pp. 660/4, where the arms and the bishop are studied in detail; 

• Chinese Porcelain and the Heraldry of the Empire by N. Castro, p. 197. 

Chinese export dish with the arms of Bishop of Oporto, Jiaqing.