A seller comes in with a rare recording of a speech given by Dr. Martin Luther King Jr. Made just months before his assassination. See more in this scene from Season 3, Episode 29, "Going Postal."

Watch your favorite episodes of Pawn Stars, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule.

#PawnStars

Find out more about the show and watch full episodes on our site:
https://histv.co/PawnStars

Check out exclusive The HISTORY Channel content:
History Newsletter https://histv.co/newsletter
Website https://histv.co/History
Facebook https://histv.co/Facebook
Twitter https://histv.co/Twitter

"Pawn Stars" follows three generations of the Harrison family as they assess the value of items coming in and out of their Gold & Silver Pawn Shop in Las Vegas, from the commonplace to the truly historic.