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Corey calls in an expert to examine a rare 90-year-old Lionel Train Set that's in perfect enough condition to go around the track a few times, in this clip from Season 8, "Another Christmas Story." #PawnStars #RickHarrison
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"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.

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