WW2 Rare Battle of Britain Arthur W Cook DFM 604 sqn signed RAF flown cover JSF2, 75th ann RFC Naval Wing. Flown by Harrier and also signed by the pilot Lt Cdr H Slade. In June he went on a gunnery course at 5 B&GS Jurby, Isle of Man then to 5 OTU Aston Down on 20th July to convert to Blenheims.