Bidspirit auction | Miniature, early 19th century, pol

Miniature, early 19th century, pol - Miniature, early 19th century, polychrome tempera painting on bone plate, unopened, oval portrait of a young woman in a white robe, signed ''H. Grünbauer'' (partly covered by the frame), verso on the backing board illegibly inscribed and dated ''1807'', behind glass in brass mount in a fluted, gold-framed wooden frame, approx. 13.5 x 11.5 cm