细节
ENGLISH SCHOOL, CIRCA 1840
Charlotte, Countess of Derby, full face in white dress with high standing lace collar, fur-bordered blue coat fastened by a large gold chain, blue ribbon in her upswept curled hair; pillar and foliage background
rectangular, 46 x 3.11/16 in. (116 x 93 mm.), gilt-metal mount within fitted red leather case