Mariano Rivera
MLB Hall of Fame Relief Pitcher, New York Yankees · Baseball - MLB
AI-generated identification · may be incorrectBefore you rely on this
This report was produced by an AI model from a photograph. It is not an authentication, a certificate of authenticity, or an appraisal. Verify important details with a qualified third-party authenticator before buying, selling, insuring, or valuing an autograph. Read the full disclaimer.
Era
Circa 2010s, late career or post-retirement
Item Type
Official Major League Baseball
Condition
Near Mint; clean white leather with a sharp, bold blue ballpoint signature and no noticeable fading or toning.
Overall Assessment
This appears to be a high-grade, highly desirable single-signed baseball of an iconic closer with strong visual appeal. The biggest strength is the bold, clean signature placement, while the main concern is the lack of immediate provenance. The sensible next step is to secure third-party letter certification.
AI Estimated Value
Not an official valuation$100 to $200 unauthenticated; $250 to $400 if certified by a top-tier third-party authenticator.
AI can make mistakes. This estimate is for general guidance only, not a professional appraisal. Actual value depends on authentication, condition, provenance, and market demand.
Get It Authenticated
Submit to PSA/DNA or JSA for formal physical authentication; expect standard fees around $40-$50 and a 2-4 week turnaround.