The opening credits and subsequent transition shots are of the Durango Silverton narrow gauge railroad. It is very obviously B-roll from the opening and closing titles of Latigo (1971), which UA released the previous year, though cropped to 2.35:1.
Unofficially regarded as the third part of the Trinità Trilogy: Die rechte und die linke Hand des Teufels (1970), Vier Fäuste für ein Halleluja (1971) and this movie.
When shown on US television, this film is titled "Man of the East".
Italian censorship visa #60912 delivered on7/9/72.