A BERLIN RECTANGULAR PLAQUE painted by O. Dietrich after N. Knowler? with a portrait of a young girl with long dark hair and brown eyes, gazing wistfully over her left shoulder, wearing a red skull-cap edged with green and yellow braid, a gold-spotted white muslin blouse and a red and green scarf (minute wear to enamels on right side), signed, impressed KPM and sceptre mark, and Sz, incised 255-195, circa 1880, giltwood frame