Shell 43 is a 1916 American silent war film written by C. Gardner Sullivan, from a story by Edward Sloman, and starring H.B. Warner, Enid Markey, and John Gilbert.
An English spy works behind German lines during World War I. He saves the life of a German officer and is killed in a German trench by an Allied shell.
With no prints of Shell 43 located in any film archives, it is considered a lost film.