Worboys Antiques has dated this piece to the 1930s.
The original enamel dial is marked GPO, with an eight day chain driven fusee movement. Reputedly from a Fife post office

Height 16 cm (6 1/4") Width 38 cm (14 1/1") Depth 38 cm (14 1/1")
Please note that not all items are on display in our showrooms and may be in our off-site store. If you wish to see specific items please notify us before visiting so that we can ensure the item(s) are available to view.
The case and dial are in original condition, the movement has been fully serviced and is guaranteed for 12 months.( within the UK ) If you would like a video please email us
Worboys Antiques has dated this piece to the 1930s.
Established since 1978, dealing in and restoring most antiques, specialising in clocks and furniture.
You can view the stock and full dealer information on the Worboys Antiques Profile Page
Worboys Antiques is a registered member of LAPADA