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Pictured: A letter, dated January 16, 1942, informing Joan that her husband had been promoted to Flight Sergeant in April 1941 and therefore she was entiltled to increase in her weekly allowance.
The poignant archive of a tragic Battle of Britain hero has been discovered in a suitcase.
Flight Sergeant Eric Redfern had been married to Joan Preston for a few weeks when he was shot down and killed in 1941.
The 27 year old Hurricane pilot was ambushed by German fighters during a raid on enemy supply vessels at Le Touquet in northern France.