1. Positivity
    The stories they mainly focus on are the ones where people are delighted over their appraisals. It's the anti American Idol - it capitalizes on the good stories instead of inviting us to make fun of the unsuccessful hopefuls.
  2. There's something for everyone
    Jewelry, sports memorabilia, guns, furniture, old letters, lamps...the categories are endless.
  3. Lots of appraisers
    There's no ulterior motive to churn out stars here. There are so many different appraisers that there is barely an opportunity to learn their names let alone begin to form an obsession ala the coaches on The Voice, etc. It keeps the focus on the heart of the show - the items being appraised and the people that own them.
  4. Genuine excitement of the participants
    People have to wait in line for hours and hours until their items get appraised, the fact that you barely ever see a cranky person shows how genuinely excited people are to be there. The stakes are so low (they know they probably aren't going to get on tv, and even if they do, it's just on PBS), the authenticity is undeniable.
  5. The host
    I mean it's the other Mark Walberg. Gemstone.
  6. It highlights a positive side of materialism
    One of the most common phrases heard after an appraisal is, "I won't be selling any time soon." The reason is usually sentimental - the item had been passed down from a beloved relative, it had been bought on a memorable day, etc. The value of connection is heartwarming in a time where it's easy to be cynical about American greed.
  7. It honours our history
    In our reality tv driven universe of "WHAT IS GOING TO HAPPEN NEXT," it's refreshing to take a step back and look at what happened before. We can't truly appreciate our present until we appreciate our past.