Jalen Brunson’s meteoric rise within the sports collectibles and memorabilia space since the New York Knicks won the 2026 NBA Finals has reached another level. A seven-figure level.His Knicks’ “NBA Finals Debut” jersey the guard wore during Game 1 against the San Antonio Spurs sold for $1.024 million through an auction via Sotheby’s on Wednesday night, a new record for a piece of Knicks memorabilia. The sale highlighted part one of the auction house’s NBA Finals game-worn jerseys and series-used memorabilia collection.This is easily the most expensive Brunson item ever sold publicly. Brunson scored 30 points in Game 1 wearing the jersey as the Knicks beat the Spurs 105-95 in San Antonio on June 3.For perspective, the most expensive NBA jersey sold at auction to date was Michael Jordan’s “Last Dance” jersey from his last 1998 NBA Finals game, which went for $10.1 million in September 2022 via Sotheby’s. The auction house also has a Kobe Bryant Jersey from Game 1 of the 2009 Finals currently available in a separate auction ending July 20, with bidding currently at $1.25 million. Still, there’s no question that Brunson collectors have been willing to pay more for his items now than ever.Jalen Brunson’s jersey from Game 1 of the 2026 NBA Finals. (Photo courtesy of Sotheby’sThe 2026 NBA Finals MVP’s most expensive trading card sold June 19 when his 2018 Panini Prizm Choice Nebula one-of-one card with a PSA 9 grade sold for $312,000, via online card sales database Card Ladder. This card’s top sale previously went for nearly $97,000 in November 2024 through a Goldin auction. In 2019, the same exact card was listed for sale on an online basketball card forum for $300. Brunson’s top five publicly known card sales all occurred from June 18-20, shortly after the Knicks’ 4-1 series victory over the Spurs.Other game-worn jerseys within this latest Sotheby’s collection from this year’s Finals for the Knicks’ OG Anunoby and Karl-Anthony Towns fetched the second-highest price tags, each selling for $256,000. A Josh Hart jersey went for $89,600.