Pawn Stars Do America - Season 2 Episode 15 -

Back in Las Vegas, the guys are ready to hit the jackpot. With the home field advantage, Chum beams at a light bulb trick from Vegas' own Mr. Electric, while Rick kneels to a stool from Queen Elizabeth II's coronation. Later, Corey and Chum batten down the hatches as they go up against a seller with a mounted cannon from the Golden Age of Piracy.