Pre-order autograph signing through the TRISTAR Autograph Pavilion at the 46th National Sports Collectors Convention, Donald E. Stephens Convention Center, Rosemont IL, July 29 – August 2, 2026.
About Mariano Rivera
Yankees Legendary Relief Pitcher; 13x All-Star; 3x Delivery Man of the Year; 5x AL Rolaids Relief Man of the Year; 5x World Series Champ, 1999 WS MVP, 2003 ALCS MVP; Yankees #42 Retired; MLB Record 652 Career Saves; Hall of Fame 2019
Mail-in deadline: your item must arrive at Golden State Memorabilia by July 15, 2026. Items will be returned following the conclusion of the convention, and we'll ship to you immediately after.
Authentication
PSA, TRISTAR, or Beckett will be authenticating items at the signings. Add the $15 Authentication option to your order if you'd like your item authenticated.
Item tiers
- Regular — $316.00. Any size flat item, or baseball.
- Premium — $369.00. Any item not listed, including artwork or game-used item.
- Inscription — $133.00. One (1) career achievement, or a personalization up to 3 words.
Players reserve the right to reject any item. Pricing subject to change.