Items appraised include a set of keys to the Cook County jail cell where Al Capone was housed during his tax evasion trial; a Japanese kamikaze helmet, brought home by the seller's brother after World War II; an 1861 half dollar salvaged in 2003 from the wreckage of the SS Republic; and the gray and gold video game cartridges that were played in the 1990 Nintendo World Championships. Also, Rick tasks Corey and Chumlee with finding the Old Man's collection of pennies that he has been hoarding due to the metallic content of the pennies.