 The idea of a "Golden Gun" in the James Bond universe predates both  the 1965 novel and movie of  _Man with the Golden Gun, The (1974)_ (qv). Ian Fleming (I) (qv)s  villain Auric Goldfinger in both the 1959 novel and then the movie  _Goldfinger (1964)_ (qv) brandished a golden pistol whilst disguised  as a military major.