Check out some totally radical items from the 1980s as the Pawn Stars take a trip down memory lane: a torch from the 1984 Olympics, a yearbook and signed letter from Ronald Reagan, a homemade replica Ghostbusters Proton Pack, a Super Mario statue, a poster from the “Revenge of the Jedi,” some Metallica memorabilia, an Apple IIGS and a DeLorean that has Corey heading “Back to the Future.”