Puckerings has dated this piece to the 1930s.
The underside is struck with "Patented in Great Britain, No. 398119" and "Other Patents Pending".

The arrow on the outer sleeve is pointed to the desired cocktail and the ingredients are revealed in each of the windows.
Excellent condition and a good large size with a diameter measuring 4" and standing 11" tall. Art Deco in era, dating to c.1930/1940.
Item: 43113
FREE Worldwide Registered Airmail Directly From the UK
Puckerings has dated this piece to the 1930s.
A quality online collection of fine english antique smalls with free worldwide shipping from london, england
You can view the stock and full dealer information on the Puckerings Profile Page