Ken Griffey Jr.
MLB Hall of Fame outfielder, Seattle Mariners and Cincinnati Reds · 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 1990s-2000s, active career
Item Type
Official Major League Baseball signed on the sweet spot with inscription #24
Condition
Very Good; bold black marker signature with minor fading and slight ball discoloration
Overall Assessment
Appears to be a desirable sweet-spot signature of a legendary hall of fame slugger. The biggest strength is the prime sweet-spot placement, while the main concern is confirming ink stability. The sensible next step is submitting it to JSA or PSA/DNA for professional grading.
AI Estimated Value
Not an official valuation$150 to $300 unauthenticated; $400 to $700 if certified by a top-tier service
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
PSA/DNA or JSA; expect $50 to $100 in fees with a turnaround time of several weeks. Certification is strongly recommended prior to sale.