Bidspirit auction | signed Kousmin (?), portrait pa

signed Kousmin (?), portrait pa - signed Kousmin (?), portrait painter mid-19th century, Portrait of a woman in black, oil on canvas, indistinctly signed and dated ''Kousmin 1857'' (?) lower right, craquelure, 80 x 67 cm, framed 85 x 72 cm