When they're in Butterfield's hotel, Roy rips the "No Colored" sign down with his left hand. His avatar slams it on the counter with her right hand, as if done in one swift move with no time to switch hands.
The film opens and ends in a cave/old gold mine with a flat floor, perpendicular/vertical walls, and NO wood bracing.
No real cave or gold mine is that precise, only on movie sets.
The film was shot in Hungry, so maybe it's a Hungarian salt mine. maybe the Hungarian set builders built what they were familiar with.
Mabel, a woman living in 1876 in the American West, has shaved armpits.
At 45 minutes 42 seconds a jet stream is seen in the sky, the upper left quadrant of the screen.
Jeanne offers the marshals "Morgan silver". The film is set in 1876. The Morgan silver dollar wasn't issued till 1878.
A marshal takes a leak in the bushes, then zips up. The sound of a zipper is heard. The film is set in 1876, but zippers weren't used in clothing until 1901. In 1876, buttons were still used on pants.
When Roy dies and Hano interviews him, she is wearing stiletto heels. This story is set in 1876 and the first appearance of stiletto heels was in the1930's.
Jeanne tells Roy that he's no Annie Oakley. The movie is set in 1876. Annie Oakley didn't become well known until 1882.