The Good, the Bad & the Ugly (1967)

Blondie (Clint Eastwood) and Tuco (Eli Wallach) are gunmen who admire each other professionally but dislike each other personally. Encountering a group of dying soldiers, Tuco learns the location of the graveyard where a Confederate treasure is buried, while Blondie learns the identity of the exact grave. Joined by mercenary drifter Angel Eyes (Lee Van Cleef), they cross the desert, each of the desperadoes knowing half the secret and each focusing his squinty eyes on the $200,000 bounty.