David Pickett Antiques has dated this piece to the 1930s.
They were all purchased over a period of time for use in the tea rooms.

The condition is reasonable with minor plate wear to the fronts, although all plates show surface scratching, minor knocks and marking, consistent with age and use. There is some plate wear to the raised edges of the backs.
Total weight approx 4.8kg.
Diameter approx 10 inches / 25.5cm
Theese plates would also make good display pieces or underplates.
David Pickett Antiques has dated this piece to the 1930s.
Specialists in old sheffield plate
You can view the stock and full dealer information on the David Pickett Antiques Profile Page