Basic Details Surname Coller Forenames G J H Gender Not stated on memorial Information stated on memorial War First World War (1914-1918) Served or died Died Service number 623 Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Royal Engineers Rank / Title (Primary - Stated) Sapper Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Engineers Rank / Title (Primary - Our reference) Sapper Death and Burial details Year of death 1915 Month of death August Day of death 27 Manner of death as stated Unknown