Chinese Export Armorial Plate with Great Seal

early 19th century, scalloped rim decorated with four gilt lozenge reserves and leafy vines on cobalt blue ground, the center depicting the Great Seal of the United States, eagle carry a purple edged banner inscribed ?E Pluribus Unum?, 9-5/8 in. - Provenance: Charlton Hall, Columbia, South Carolina; Private Collection, Knoxville, Tennessee
Condition Report: repair and retouch to lower half of plate and 3 in. section of rim, some rim flecks, losses to decoration