They Call Me Hallelujah (1975)

A Yankee gunman Hallelujah is hired by Mexican Juarista General Ramirez to confiscate a case of jewels to fund the revolution For this Hallelujah will receive a percentage But other parties are interested in the case and when they turn out to be fakes it all deteriorates into a cat and mouse style game with Hallelujah gunrunners the French and a Russian outlaw all searching for the real jewels SWDB