Andrew Cox Antiques has dated this piece to the 1930s.
A good collector's item. Dimensions below.

Postage and Packing :- £8.00 UK
£16.00 Worldwide
Condition :- Excellent with no cracks or chips to the glass body. The silver collar has a few light blemishes and knocks, commensurate with age and use.
Hallmarks :- Readable but soft.
Maker :- Henry Perkins & Sons.
Date :- London 1929.
Height :- 7.2 cms.
Diameter (widest point) :- 8 cm
Andrew Cox Antiques has dated this piece to the 1930s.
Specialists in quality antique silver, glassware, jewellery and object de vertu
You can view the stock and full dealer information on the Andrew Cox Antiques Profile Page