I have found some information (see below) that may be going in the right direction the reference is signed 2 Pretoria Scottish but after finding the information below they may also have been known as the 2nd Transvaal Scottish who were in action at El Alamein and the fall of Tobruk. Was Capt E R Mclean possibly an escaped POW after his capture at Tobruk. Is there a Mclean on any of the POW lists that was in the South African Army, Transvaal Scottish? The regiment was formed in Pretoria on 1 July 1913 as the 12th Infantry (Pretoria Regiment) – a unit of the Active Citizen Force – by the amalgamation of several units: the Pretoria Company of the Transvaal Scottish, the Central South African Railway Volunteers, the Northern Mounted Rifles and the Pretoria detachment of the Transvaal Cycle and Motor Corps. In North Africa the 2nd Transvaal Scottish, together with two battalions consisting of members of the South African Police, served in the 6th South African Infantry Brigade. They assisted in the construction of the famous "Alamein Box". 6th South African Infantry Brigade attacked the fortified town of Sollum on 11 January 1942 as part of Operation Battleaxe and went on to fight in the battles of Bardia, Acroma Keep and Gazala. At Bardia, Sollum and Halfaya both German and Italian troops were forced to surrender to the Brigade. The majority of the battalion, along with the entire South African 2nd Division, was captured when the "fortress" of Tobruk fell at the end of the Battle of Gazala.