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 league baseball, sweet spot placement
Condition
Very Good; clean leather with minor fading and a few stray ink specks near the signature
Overall Assessment
Appears to be a sweet-spot signature of a major baseball legend with good visual eye appeal, but requires formal authentication to confirm legitimacy before any transaction
AI Estimated Value
Not an official valuation$100 to $300 unauthenticated, potentially $400 to $800 if fully certified
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 for basic certification with a few weeks turnaround