VAN ROS (painter / 19th / 20th century, 'Lady in river landscape with castles',

VAN ROS (painter/in 19th/20th century, 'Lady in a river landscape with castles and palaces', signed lower left center, oil/copper, HxW: approx. 24x18 cm (37x31 cm with frame). Signs of age and rubbing, small flaked off paint. With frame (edge partially damaged).