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Andrew Gretchko

Andrew Gretchko

21 posts

Yahoo SportsDispatch from The National: How eBay’s Data Can Help the Hobby

  • By Andrew Gretchko
  • Published August 5, 2026
By now, you’ve heard the same advice a thousand times: “Stop purchasing packs.

Yahoo SportsMeet RWA Trading Cards – Cardboard For Hip-Hop Heads

  • By Andrew Gretchko
  • Published July 29, 2026
As every loyal Mantel reader knows, collecting isn't limited to cards.

GeneralThe Latest From Ludex: A Conversation with Founder and CEO Brian Ludden

  • By Andrew Gretchko
  • Published July 28, 2026
Chicago native Brian Ludden was among the millions of sports fans worldwide that started, or re-started, collecting during the COVID lockdowns of 2020.

UncategorizedInside ONIT’s Collegiate Card Strategy

  • By Andrew Gretchko
  • Published July 27, 2026
The recent sports card boom has produced plenty of fascinating companies, giving collectors more ways than ever to get closer to their favorite athletes.

Yahoo SportsIs This The Best Steven Adams Collection In The World?

  • By Andrew Gretchko
  • Published July 24, 2026
“You went to school to play basketball?” they asked, sizing up my 5’11” frame.

Card ShowYouTube star Jesser Talks Michael Jordan, collecting, and eBay Live ahead of The National

  • By Andrew Gretchko
  • Published July 21, 2026
The biggest event in all of card collecting, The National, is just a week away.

BaseballThe White Sox and a Japanese Toilet Brand Just Made the Most Absurd Bobblehead of 2026

  • By Andrew Gretchko
  • Published July 20, 2026
For decades, stadium giveaways have served as a chance for marketers to push boundaries, releasing quirky collaborations and keepsakes that have sent fans clamoring to get into stadiums hours before the game, if they even cared about the game at all.

AuctionCards for a Cause: How the Collectibles Industry Is Giving Back This Summer

  • By Andrew Gretchko
  • Published July 9, 2026
In 2026, the Hobby has continued to see meteoric growth: more record-breaking sales—which have, in part, led to higher retail prices—more exclusive licensing deals, and more people clamoring for MJ cards than ever before.

Sports CardsSoccer is Spiking on eBay. Why the World Cup is Just the Warm-Up.

  • By Andrew Gretchko
  • Published June 24, 2026
By all accounts, the 2026 FIFA World Cup has been a smashing success so far.

Sports CardsFanatics Just Signed Its Seventh Exclusive Collectibles Deal of 2026—And It’s Only June

  • By Andrew Gretchko
  • Published June 16, 2026
Fanatics has had a very, very busy start to 2026.
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  • Matthew Schaefer: NHL’s Breakout Star – and Rookie Cards to Watch
    • Published November 20, 2025
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    • Published August 17, 2026
    The Most Expensive Cleats Ever Sold
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    • Published August 15, 2026
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  • By Mike Metzler
    • Published August 14, 2026
    The Hobby’s Theft Crisis: How My Stolen Cards Ended Up in a High-End Repack

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