In A Nutshell Antiques and Interiors has dated this piece to the Victorian era.
There is its original maker's label to the reverse "Drew & Cadman. Mirror Manufacturers. 245 & 246 High Holborn".

It is in good condition for its age and the mahogany has developed a lovely rich colour. The glass is in good condition with a few minor age spots. It has been gently cleaned and polished and is ready to hang.
Approximate Measurements:
Diameter : 15” (38 cm)
Tracked UK delivery £15
In A Nutshell Antiques and Interiors has dated this piece to the Victorian era.
Selling good quality victorian, georgian and earlier furniture, accessories & decorative items. Ashburton, devon. LAPADA member
You can view the stock and full dealer information on the In A Nutshell Antiques and Interiors Profile Page
In A Nutshell Antiques and Interiors is a registered member of LAPADA CINOA