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 Edgar Martinez
Seattle Mariners Legendary 3rd Baseman & DH; 7x All-Star; 5x Silver Slugger; 2x AL Batting Champ; Jersey #11 Retired by Mariners; 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.
Return shipping
Return shipping to you is not included in the listed price and will be invoiced separately based on item size and destination.
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 — $95.00.
- Premium — $116.00.
- Inscription — $42.00.
Players reserve the right to reject any item. Pricing subject to change.