Cooper Flagg’s Coveted One-of-One Rookie Card Found in Rhode Island

Posted : 11 August 2026

The search for one of the most valuable Cooper Flagg trading cards has come to an end after his unique one-of-one Rookie Debut Patch Autograph was pulled in Rhode Island.

Members of RhodyBreakers, a division of Baseball Cards of Rhode Island that opens trading-card boxes for customers during livestreams, discovered the highly sought-after card on Monday night. Topps subsequently confirmed that the rare Flagg card had been found.

The card features an autograph from Flagg alongside a patch taken from the jersey he wore during the first half of his NBA debut. The Dallas Mavericks had previously launched an extraordinary bounty for the card, offering a package that included premium season tickets for 32 years, a signed game-worn Flagg jersey and several exclusive experiences with the rookie.

Flagg signed the card at Fanatics Fest last month, adding another element to an already rare collectible. It was released as part of the 2026 Topps Chrome Update Basketball collection, which introduced Rookie Debut Patch Autograph cards featuring members of the 2025 NBA draft class.

The card's potential value has generated huge interest among collectors. Flagg's game-worn jersey from his NBA debut sold for $1 million earlier this year, while a comparable one-of-one rookie card featuring Pittsburgh Pirates pitcher Paul Skenes reached $1.11 million at auction. Those sales have fueled speculation that Flagg's card could eventually command a price in the millions.

The Mavericks' offer had made the card even more desirable before it was discovered. Their package included two premium season tickets for 32 years, reflecting Flagg's No. 32, along with a signed jersey, a postgame meeting and photo with the star, a private photoshoot featuring his Rookie of the Year trophy and an expenses-paid road trip with the team.

The discovery also comes after a surge in demand for Flagg collectibles. His current record sale for a card stands at $366,000, meaning the newly discovered one-of-one could potentially establish a new benchmark if its owner decides to sell it.

The identity of the card's owner and whether they intend to accept the Mavericks' offer or put the collectible up for auction remain unclear. For now, however, the biggest chase card from the latest Topps basketball release is officially off the market.

Cooper Flagg’s Coveted One-of-One Rookie Card Found in Rhode Island

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