TJR Trading has dated this piece to the 1920s.
It has an oak backing and an oak easel stand on a hinge.

Unfortunately there is only one piece of metal on the back of the frame to keep the backing on. Usually there will be a piece of metal that swivels around on a pin to keep the back closed but this is missing. The hallmarks are a little bit worn but it is otherwise in reasonable condition with wear commensurate with age.
TJR Trading has dated this piece to the 1920s.
Specialist in antique silver, but also a seller of glass, ceramics and other similar items
You can view the stock and full dealer information on the TJR Trading Profile Page