Antique Furniture Direct has dated this piece to the 1880s.
Inscribed on the back W.T. & S. The initials of William Tonks and Sons, a very respected company that operated in the 19th century. This mirror would look great in a hall or could work well in a bathroom.

Construction:
Brass
Condition Report:
Marks and scuffs commensurate with age. Some foxing and loss of silver in places to mirror glass.
Dimensions:
Frame Max Width: 30cm
Frame Max Height: 51cm
Frame Depth: 7cm
Antique Furniture Direct has dated this piece to the 1880s.
You can view the stock and full dealer information on the Antique Furniture Direct Profile Page