Accept Cash. The most favorite things to buy and sell in Cash King Gun & Pawn are: jewelry, icluding broken jewelry, scrap, gold and silver, coins and watches, diamonds, top brand electronics, appliances, smartphones, receivers, players, top brand tools like Hilti, Makita, Bosch, work radios, xbox, playstation, nintendo game consols and gears, guitars, amplifiers, drums, mixers, sport equipment, memorabilia, bikes, RC toys, jerseys.