'First flight of the Spitfire, 5th Marh 1936', limited edition lithograph 567/978 by by Jim Mitchell, signed in pencil in the lower margin by Jeffery quill (test pilot), Humphrey E.J. (RAF test pilot), Sammy Wroath (RAF test pilot), and Jim Mitchell (artist), with additional pencil sketch lower right signed 'J.M.W. 60/97', 72 x 84 cm overall