Once Cowboy, Twice Cowboy 1981 on netflix

A bandit wearing a black mask, having shot the train, takes a bag of gold coins from the post car and hides on his horse. The bandit takes refuge in the ranch, driving out the farmer and his cow. The farmer and the cow leave for the nearest town. In the saloon, the farmer sees an announcement of a reward of one thousand coins for catching a bandit in a black mask. Then he tells local cowboys where the bandit is hiding. Cowboys go to catch a bandit, but they return back all wounded.