PSAcard(@PSAcard):Don’t miss your chance to snag autographs from two of baseball’s most storied sluggers. Submit your collectibles for Mark McGwire. Sammy Sosa, or both to autograph in their upcoming PSA Autograph Series signings. Items must be received at PSA by August 27 to be eligible. Start your submission today:

PSAcard

@PSAcard

Grading, enhancing, and preserving culture since ‘91. Our label means more.

参加 March 2011

1.2K フォロー中 136K ファン

PSAcard@PSAcard

2026.08.13 16:00

Don’t miss your chance to snag autographs from two of baseball’s most storied sluggers. Submit your collectibles for Mark McGwire. Sammy Sosa, or both to autograph in their upcoming PSA Autograph Series signings. Items must be received at PSA by August 27 to be eligible. Start your submission today: