A 1941 RAF officer's mess menu card bearing the signature of Sqnldr Guy Gibson VC. Also a copy of 'The Dambusters' by Paul Brickhill. Guy Gibson was later wing Commander Gibson, Co of 'Operation Chastise', the 1943 raid on German dams, nicknamed 'The Dambusters'. The book is signed by pilot Officer Lance Howard DFC, a navigator on the raids.