A SUPERB AND EXTREMELY RARE CLOISONNÉ ENAMEL DISHJINGTAI INCISED SIX-CHARACTER MARK IN A LINE AND OF THE PERIOD (1450-1456)With shallow rounded sides rising from a straight foot to a slightly flaring rim, the dish is finely decorated in the center with a lotus seedpod surrounded by double rings of petals and lotus scroll, with further lotus scroll in the well, all reserved on a turquoise ground.8 1⁄2 in. (21.7 cm.) diam.