PAIR OF OVAL BRASS FRAMES with photographs, German around 1870,

A PAIR OF OVAL BRASS FRAMES with photographs, German c. 1870, polished and matted sheet brass, on wood, each with a photograph of a child, 1x signed 'C. Buchner 1872', names of the sitters on the reverse: Helene, Maria and Anna Weiß, HxW: light dimensions approx. 34x28 cm each, outer dimensions approx. 43x38 cm each. Slight signs of age and stains.