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 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.
- •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.
- 7:23 PMYahoo Sports — Cooper Flagg 1-of-1 Rookie Debut Patch Autographed card will sell at auction, rather than owner accepting Mavericks 'bounty'
- 5:19 PMYahoo Sports — Cooper Flagg’s Mavericks Debut Just Became Even More Valuable
"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.
"The Flagg card is expected to sell for millions of dollars at auction, surpassing the $1.1 million Paul Skenes' RDPA card sold for last year.
Sources
External links- Yahoo SportsAug 28, 2026, 7:23 PMCooper Flagg 1-of-1 Rookie Debut Patch Autographed card will sell at auction, rather than owner accepting Mavericks 'bounty'
The Flagg card is expected to sell for millions of dollars at auction, surpassing the $1.1 million Paul Skenes' RDPA card sold for last year.
- Yahoo SportsAug 28, 2026, 5:19 PMCooper Flagg’s Mavericks Debut Just Became Even More Valuable
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.
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