Antique Furniture Direct has dated this piece to the Edwardian era.
It has a richly figured mahogany frame with stringing around the edges and paterae inlay designs to each corner. With label to back which reads “William Twigg & Sons, Warwick House 3-4 Iron Gate, Derby”.

Construction/Wood:
Mahogany
Condition Report:
Wear and marks commensurate with age. Small scratch to mirror. Bevelled glass – some slight foxing in places.
Dimensions:
Frame Width: 32 inches
Frame Height: 22 inches
Mirror Width: 29 inches
Mirror Height: 19 inches
Antique Furniture Direct has dated this piece to the Edwardian era.
You can view the stock and full dealer information on the Antique Furniture Direct Profile Page