Andrew Behan has kindly carried out some research on this man, and found the 1915 photo on an ancestry.co.uk member's family tree:
Rifleman Frederick Hayter. Born in 1897 in Islington, London, the son of Frank and Annie Hayter. His father was a Porter. He was baptised together with his sister Alice Mabel Hayter on the 3rd August 1899 at St Peter’s Church, Islington and the family were living at 12 Charlton Crescent, Islington. By April 1911 the family were living at 27 Camden Street, Islington and he was a Printer’s Readers Boy. In December 1913 he was appointed as an Assistant Postman in the London Postal District. He joined the 2nd/8th Battalion London Regiment (Post Office Rifles) and had two service number 1896 and 370359. He died of wounds on the 17th December 1917, aged 20 years, and is buried in grave VI. BB. 18 at Mendingham Military Cemetery, Poperinge, West Flanders, Belgium. He was posthumously awarded the British War Medal and the Victory Medal.
