A Great War D.S.M. group of four awarded to Able Seaman A. C. Groom, H.M.S. Ophelia, for the sinking of the UB-83 in September 1918

Distinguished Service Medal, G.V.R. (222535 A. C. Groom, A.B., “Ophelia”, 10 Sept. 1918); 1914-15 Star (222535 A.B. R.N.); British War and Victory Medals (222535 A.B., R.N.) together with named British Red Cross Society Blood Transfusion Service bronze medal, nearly very fine (5) £800-1000

D.S.M. London Gazette 22 January 1920: ‘For services in action with an enemy submarine.’

On 10 September 1918 the destroyer Ophelia, whilst towing a balloon through the sky, attacked and sank with depth charges the German submarine UB-83 off the Orkney Isalnds.