Rare vintage press photo In the permanent collection of the Imperial War Museum, London, the image is described as:
A raiding party of the 10th Battalion, Cameronians (Scottish Rifles) waiting in a sap for the signal to go.
John Warwick Brooke, the official photographer, followed them in the sap, into which a shell fell short killing seven men. Near Arras, 24 March 1917.
Official Photograph Issued by the Press Bureau - Distributed by The Central Press Photos LTD
Please note small loss bottom corner.