Photo: Dallas Mavericks/YouTube

A one-of-a-kind Cooper Flagg rookie card that could be worth millions was pulled during a livestream in Rhode Island on Monday night.

The Topps Rookie Debut Patch Autograph card features Flagg’s signature and a patch from the jersey he wore during his NBA debut. Flagg signed the card in July at Fanatics Fest in New York.

Its final value remains unknown, but similar collectibles have commanded huge prices. A comparable Paul Skenes card sold for $1.11 million in 2025, while Flagg’s NBA debut jersey itself previously sold for $1 million.

Auction platform Alt has opened a “bounty auction” for the card, with the highest potential bid reaching $2.8 million by early Tuesday evening. The card, however, has not yet been officially consigned to an auction house.

The discovery came during a live box opening by RhodyBreakers, which opens trading card products for customers online. Christopher Card immediately realized how significant the pull was.

“And the special patch is… oh my God… there it is,” Card said during the stream.

He later described the discovery as far beyond anything the group had previously pulled.

“We’ve had some good ones, but a big pull for us is 15-20 grand. This is just a unicorn,” Card said. “This is one of the most anticipated cards in modern card history.”

The Dallas Mavericks had already announced a major “bounty” for whoever found the card. Their offer includes premium lower-level tickets for 32 years, a signed game-worn Flagg rookie jersey and a postgame photo with him.

The finder would also receive a paid trip to Boston for a Mavericks-Celtics game, a VIP tour of Dallas’ practice facility, a meet-and-greet with players and a private basketball experience for up to 10 guests at American Airlines Center.

Cooper Flagg 1-of-1 debut patch card found in Rhode Island – it could fetch over $1 million https://t.co/l7Gp8BKkBZ pic.twitter.com/u0J7rsDx9b