Commemorative signed WWII – VCs of the Air fine proof of a commemorative postal issue honouring the ‘VCs of the Air’, and signed by : Leonard Cheshire, Roderick Learoyd, Leonard Trent, John Cruikshank, Norman Jackson, William Reid and Ferdinand West, together with an als of Trent discussing the signing of the cover, and a letter from Squadron Leader K R Jackson, Officer Commanding the Battle of Britain Memorial Flight discussing the cover. A particularly rare piece of postal history.