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Sotheby’s Confirms $1 Million Sale of Cooper Flagg’s NBA‑Debut Jersey, Setting NBA Auctions Record

The price signals surging demand for authenticated rookie firsts in Sotheby’s NBA game‑worn program.

Overview

  • Sotheby’s said Thursday it privately sold Flagg’s first‑half debut jersey from Oct. 22, 2025 for $1 million, the highest publicly recorded price for any Flagg item.
  • The result surpasses the prior NBA Auctions jersey mark of $762,000 set by Victor Wembanyama’s debut jersey in November 2023.
  • Sotheby’s will hold an NBA Rookie Debut Auction from March 17–23 featuring first‑game jerseys from VJ Edgecombe, Kon Knueppel, Dylan Harper and Derik Queen, among others.
  • Flagg, 19, is leading all rookies at roughly 20.4 points per game and recently set the NBA single‑game scoring record for a teenager with 49 points.
  • Team imaging identified a left midfoot sprain for Flagg, with reporting indicating Dallas expects him to be available soon after the All‑Star break.