Keith Hernandez Signed 1975 Topps #623 Rookie Infielders RC Inscribed 2X S. Autograph Graded PSA 9 – Rookie Card. Card has been hand-signed and inscribed by Keith Hernandez St. The autograph has been graded PSA 9. The autograph has been authenticated and encapsulated by PSA/DNA for authenticity purposes. Authentication: PSA Encapsulated Due to the uniqueness of each item, please refer to the photos provided. We offer high resolution images of each item rather than a written description of condition. Due to the uniqueness of each item, please refer to the photos provided. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. “Hollywood” Hulk Hogan Signed WWE 8×10 Photo (BGS). “The Wizard of Oz” 11×14 Photo Signed (JSA COA) by Mickey Carroll, Donna Stewart. Aaron Donald Signed 2014 Game Ticket Inscribed “NFL Debut” (PSA). Aaron Judge Signed 2017 Topps #287A – Autograph Graded PSA (10) – Rookie Card.