Will Clark 2021 Topps Black San Francisco Giants Signed Baseball Card #51 Authentic Auto Graded PSA 5 105/299 is a collector-focused card featuring Will Clark. The card is listed as PSA 5. The autograph is professionally authenticated through PSA authentication and grading. This example is serial numbered 105/299 adding scarcity and collector appeal. Certification number 144086961 is included for verification. Clark autographs carry strong appeal for San Francisco Giants collectors and fans of standout 1980s and 1990s baseball stars. A strong addition for collectors focused on certified examples player legacy and display-quality sports collectibles.