Any Gun Can Play (1967)

The pitiless gang of the notorious Mexican bandit, Monetero, attacks a gold-laden railway convoy, unbeknownst to them, however, that the dauntless bounty hunter in black known as the "Stranger" is after them. But, shiny gold is always tempting, and as one of the thieves hides the loot, the hunter decides to team up with his prey after saving him from the gallows, and Clayton, a duplicitous bank employee, joins Monetero and the Stranger in a dangerous treasure hunt. Now, the reluctant companions are in search of a fragmented medallion that leads to the hidden treasure. Will they find the gold, and live to tell the tale?