Puckerings has dated this piece to the 1930s.
The underside is marked "Fabrication Anglaise" (English made).

Inside the top part sits an ice crusher, always a sought-after feature in these cocktail shaker.
Excellent condition having been professionally cleaned and polished by our silversmith.
4 1/2" in diameter x 10" tall. An impressive and grand piece.
Item 42028
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