A RARE PERSIMMON-GLAZED 'DING' ZHADOU'GUAN' MARKDia:14.3cm, H:8.2cmThe compressed globular body with a narrow mouth set with a wide flared conical rim, applied overall in an even russet glaze thinning to a caramel-brown color at the rim and ending in a line above the neatly cut small ring foot to expose the smooth white porcelaneous ware, the base incised with the single character 'Guan'.