Description AN ARMORED DEEP PLATE Chinese export porcelain, Jiaqing period (1796-1820), Portuguese coat of arms of D. Bernardo José Maria da Silveira e Lorena, 5o Conde de Sarzedas (1st set). Diam.: 24.5 cm. Bibl.: Nuno de Castro, "A Porcelana Chinesa e os Bras?es do Império", p. 199.