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, peak career
Item Type
Official league baseball signed on the sweet spot
Condition
Very Good condition, clean ball with slight ink feathering on the signature
Overall Assessment
Appears to be a sweet-spot Ken Griffey Jr. single-signed baseball of high collecting interest, though authentication is required to verify legitimacy before purchase or sale
AI Estimated Value
Not an official valuation$150 to $300 unauthenticated, up to $600 if certified by a top-tier 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
PSA/DNA or JSA, expecting around $50-$100 in fees with a few weeks turnaround