A Berlin (K.P.M) rectangular plaque

細節
A Berlin (K.P.M) rectangular plaque
Vienna decorated by R. Dittrich with a scene titled 'Mignon und der harfner', signed, incised numerals to the reverse, painted title and signature, impressed sceptre and K.P.M mark, circa 1870, framed and glazed -- 32cm x 25.8cm
See colour plate 4