This 1998 SP Top Prospects rookie card of Roy Halladay boasts a hard-signed autograph from the late baseball legend. The autograph is graded a perfect auto-10 by Beckett Authentication Services and is encapsulated in a standard size. The autograph authentication number 00016497518 confirms the authenticity of the signature. Manufactured in the United States by Upper Deck, this original and licensed baseball card features a Toronto Blue Jays minor league uniform and is a short print, making it a rare find. With other notable features including HOF Auto, Phillies Signed, and BGS Auto, this card is a valuable addition to any sports trading card collection. The signature, done in Blue Sharpie, has been authenticated and encapsulated by the experts at Beckett Authentication Services (BAS) with certificate number 00016497518 and graded a 'Auto 10' by Beckett Grading Services (BGS).