When Dave and Lucas are talking at the ranch, Mark rides up with a letter that contains money. The far shot, as he is riding up to the house, he is wearing a shirt. When he arrives at the front porch, the close shot shows him wearing a jacket.
Near the beginning Samuel Britton and Dave Stafford are standing near the fireplace talking and having a drink. There is a fire going and there is also a light on up inside the fireplace revealing it to be a prop.
In this and many episodes, Lucas McCain is wearing Wrangler jeans as depicted by the W on the back pockets and the rivets on the pockets. While the series was set in the 1880s, Wrangler jeans were not invented until 1947.