Sports News Report
League: NBASport: BasketballCountry: United StatesCategory: Breaking News

Cooper Flagg's debut rookie card heads to auction after high demand

Yahoo Sports • 1 min read • Latest: Aug 28, 2026, 5:19 PM

Last updated Aug 28, 2026

Cooper Flagg's debut rookie card heads to auction after high demand
Summary

Cooper Flagg's one-of-one rookie debut patch autograph card is set to auction from September 10 to 24, 2026. The card, featuring a patch from Flagg's first NBA game and graded PSA Gem Mint 10, has gained significant attention since being pulled in August. Fanatics Collect secured the consignment after extensive efforts, including physically traveling to Rhode Island to negotiate. The auction will also showcase similar cards from other rookies, including Dylan Harper and Kon Knueppel.

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Yahoo Sports
Latest Updates
  • •Auction runs from September 10 to 24, 2026.
  • •Card features patch from Flagg's NBA debut game.
  • •Equivalent cards have previously reached over $1 million.
  • •Fanatics Collect traveled to secure the card's consignment.
  • •Dylan Harper and Kon Knueppel's cards will also be auctioned.
Latest Updates
  • 5:19 PMYahoo Sports — Cooper Flagg’s Mavericks Debut Just Became Even More Valuable
What they're saying
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Cooper Flagg’s prized 1-of-1 rookie card has an auction date after Fanatics Collect went to extraordinary lengths to secure the consignment. The post Cooper Flagg’s Mavericks Debut Just Became Even More Valuable appeared first on HEAVY.

Related Teams & Leagues
Dallas MavericksDenver NuggetsNBABasketball

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