One of two group photographs showing the 19th County of London Platoon Auxiliary Territorial Service, attached to the Training Battalion of the Irish Guards at Hobbs Barracks in Lingfield, March 1940.
Mrs Riddy is seated in the front row, fourth from the right, in both images.
One of five photographs showing Capt Muriel Drusilla (Penny) Riddy, of the County of London, Auxiliary Territorial Service.
Mrs Riddy enlisted in the Auxiliary Territorial Service before the war in 1938, and later became a recruiting officer.
Associated with World War Two (1939-1945).