AN EXPORT LACQUER MEDALLION the oval plaque decorated in gold hiramakie on a roironuri ground with a bust portrait of Constantine, the emperor wearing a crown and holding an orb, insribed D.N. Constantinus P. Aug., the reverse with the inscription CONSTANTINUS V. Copronyms. Constantinop. nats. Imper. an XXXIV. meus. I-I di XXVI. Sedentibs. Grego. III. Zacharia, Stephano II, Stephano III, Paulo, et Stephano IV. obijt. an. Christi DCCLXXV., attached brass hanging ring (very minor old damage to reverse), 18th Century