Pte W Shirley served with 13 Battalion during WW1. Whilst an inpatient at Lady Davidson Home ex Pte Shirley commuted to Ku-Ring-Gai Chase to cut the Sphinx out of rock as a Memorial to his comrades. The time taken for the project was approximately 1 year 6 months.This is a project of 5756 Pte W Shirley 13 Battalion AIF. The Memorial is dedicated 'To my Glorious Comrades of the AIF'2 x black and white photographs of the Sphinx War Memorial, Ku-Ring-Gai Chase, NSW. A buff coloured cover for the photographs with a detailed description of the Memorial and who was responsible for the erection and placement of the memorial.On the front of the 'Sphinx' 1st plaque - To my Glorious Comrades of the AIF, by the Late W. Shirley, no 5756, 13th Battalion. Died 27 August, 1929. 2nd plaque 'Lest We Forget'. 3rd plaque - 1914-1918.w shirley, aif, 13 battalion, sphinx memorial, ku-ring-gai chase, nsw