Plate with the coat of arms of Hendrik Peter Godfried Quack and Isabella Gertraud von Carnap; Porcelain plate painted on the glaze with gold. On the flat the alliance weapon of Hendrik Peter Godfried Quack and Isabella Gertraud von Carnap. The border with a flower tendril and a gold band. A pren on the bottom; porcelain gray in hue. Marked on the bottom with J [?].; E. Blancheron; c. 1790 - c. 1800; porcelain (material); glaze; gold (metal); vitrification; h 2.7 cm d 21.5 cm d 14.5 cm