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 Sammy Sosa
One of MLB's Greatest Hitters; Played for Texas Rangers, Chicago White Sox, Chicago Cubs & Baltimore Orioles; 7x All-Star; 6x Silver Slugger; 2x NL Home Run Leader; 2x NL RBI Leader; 1988 NL MVP; 609 Career Home Runs
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 — $105.00. One (1) autograph on any item (excluding game-used items & artwork).
- Premium — $315.00. Any game-used item or artwork.
- Inscription — $53.00. One (1) career achievement, or a personalization up to 3 words.
Players reserve the right to reject any item. Pricing subject to change. Autograph tickets and authentication fees are non-refundable.