This conical flask is made of silver . It is hallmarked 1901 on its body and neck, the silversmith's stamp is too rubbed to read on the body but on the neck one can make out "G & S" possibly for Griffiths & Singleton.

Th flask is engraved :

"To John Thompson
From A Few Old Friends
On his 50th Birthday
April 19th 1908"

There is a dent in the side of the bayonet or captured  cap 

The flask has a dark tan coloured case . 
The long girth strap is attached so that the flask will sit on the near-side of the saddle. 
The case closes with a billet fastening and it has a top strap which attaches the flask to the D ring of the saddle.

There are some bite marks or insect damage marks on the lid of the case

Dimensions :
Length (of case): 10½" (27cm)

Weight 597g ( 1lb 5oz)