Formation Badge, 64th Medium Regiment, Royal Artillery (London) (TA), 1942-1947 (c).
Printed black right facing rampaging elephant on red square background.
This regiment was originally created in 1908 as the London Heavy Brigade, Royal Garrison Artillery (RGA). In 1939 when the Territorial Army was doubled in size, 64th medium Regiment was created. 
It served throughout the Second World War but was eventually disbanded in 1947.
From the collection of Maj John Waring, Volume 4, page 11.