This is a gents hunting whip with a traditional antler handle, featuring a silver barrel collar hallmarked for: 
London 1933 
Along with a makers mark, stamp, and silver makers pin for: 
Swaine & Adeney London 
Swaine London, known previously as Swaine & Adeney Ltd (1910 - 1943) is one of the oldest names in high quality canes, whips, umbrellas and military items and has traded in London's St James's for over 270 years. 

Plaited brown leather shaft with an original brown leather end & plaited leather lash. 

A well-made & sturdy whip, suitable for use. 
 
Please note that the terms "ladies" "gents" "youths" are a guide only as horses and riders vary in size and require different size whips. 
Please refer to the measurements below to help with your decision. 
 
Measurements:
Length from the top of the handle to the end of the binding - 45cm
Length of the handle - 14.7cm
The diameter of the shaft below the top collar - 2cm
Lash length not including cord end - 110cm
Weight - 299g 
 
Very good condition, some age marks to the silver.