<Li> Trump (magazine), 1957, a humor magazine </Li> <Li> Trump: The Deals and the Downfall, a 1992 biography by Wayne Barrett </Li> <Ul> <Li> Jew's harp or trump, a small musical instrument played in the mouth </Li> <Li> Trumpet, archaic term trump </Li> </Ul> <Li> Jew's harp or trump, a small musical instrument played in the mouth </Li>

Where does the saying trump card come from