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 or retirement
Item Type
Official major league baseball in a clear cube display case
Condition
Excellent; clean leather with bold blue ballpoint signature showing minimal fading
Overall Assessment
Desirable single-signed baseball of a legendary superstar with strong signature placement; main strength is visual appeal, but lacks paperwork, so submit for certification before selling
AI Estimated Value
Not an official valuation$150 to $300 unauthenticated, up to $500 with third-party certification
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 Beckett Authentication Services, costing roughly $50 to $100 with a few weeks turnaround