Parts of season one, episode eleven, "The Colonel and the Lady", was filmed on sets used for Gunsmoke (1955). The Long Branch Saloon was minimally redecorated to stand-in for a saloon Paladin visits in a Nevada mining town. Shots of people walking the streets of the town were also taken from Gunsmoke (1955).
I don't think you got a very good look at this gun while you had it. The balance is perfect. This trigger responds to a pressure of one ounce. If you look carefully in the barrel you'll see the lines of the rifling. It's a rarity in a hand weapon. ...
Paladin usually presents his business card by taking it from his waistline (usually under his gun belt or out of his pants). The card is, understandably, wrinkled or bent when presented, yet when it is shown on screen in the close-up it is always a new, flat card with no wrinkles or folds, but when they show the card in Paladin's, or others, hand, it is wrinkled again.