A coin collector brings Rick a flawless proof for an 1867 Shield Nickel, and Rick has it evaluated in this clip from Season 12's episode, "Stairway to Pawn." #PawnStars #RickHarrison Subscribe for more from Pawn Stars: http://po.st/SubscribeToPawnStars Find out more about the show and watch full episodes on our site: http://po.st/History_PawnStars Check out exclusive HISTORY content: History Newsletter: http://po.st/HistoryNewsletter Website - http://po.st/HistoryWeb Facebook - http://po.st/HistoryFacebook Twitter - http://po.st/HistoryTwitter "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. HISTORY®, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network's all-original programming slate features a roster of hit series, epic miniseries, and scripted event programming. Visit us at http://www.HISTORY.com for more info.