Puckerings has dated this piece to the 1930s.
It is just back from my silversmith's having been professionally cleaned and polished.

The underside is where the makers mark can be found (GST) and "Made In England".
Wonderful looking and in excellent condition measuring 5 1/2" x 3 5/8" x 2 3/8".
FREE Worldwide Registered Airmail Directly From London, England
ITEM ID 41290
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