The team examines a knight's jousting helmet; an 18th-century cannon; and an American Civil War sabre.
The staff are offered an aeroplane propeller; a 1965 Shelby Cobra; and a 17th-century treasure chest.
The pawnbrokers come across an antique key that also shoots bullets; a 1924 gold coin; and a saddle used by Kevin Costner in Dances with Wolves.
The team examines a ticket from a boxing match between Muhammad Ali and Floyd Patterson; an American Civil War bugle; and a flag from one of Nasa's last missions to the moon.
The hit HISTORY series returns to the only family-run pawn shop in Las Vegas, where three generations of men carefully assess the value of items brought in by an array of quirky customers.
The staff are offered General Patton's autograph; a Picasso etching; and a chair from the US Senate.
The team examines a 19th-century revolving cannon; a piece of Abraham Lincoln's tomb; and a shoe from the racehorse Secretariat.
The pawnbrokers consider a collection of antique cast-iron piggy banks; a photo of Einstein; and a harmonica belonging to Aerosmith's Steven Tyler.
The staff are offered an 18th-century four-barrelled handgun; a ball from the first ever Super Bowl; and a 1950s pick-up truck.
The team examines a copy of Dwight D Eisenhower's war memoirs; a spy's telegraph kit; and paintings by Hollywood actor Tony Curtis.
The pawnbrokers cast their eyes over alternative cover designs for a Beatles album; a collection of trainers with a $1million price tag; and a set of keys to Al Capone's jail cell.