Jim Bouton
MLB pitcher, New York Yankees and author of Ball Four · 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 1970s-1980s, post-playing career
Item Type
Official league baseball, sweet spot placement
Condition
Excellent; clean leather with minimal toning and a bold, clear ballpoint signature.
Overall Assessment
A clean signature of a prominent baseball author and pitcher with strong eye appeal; the main strength is the bold sweet-spot placement, and the next step is professional third-party authentication.
AI Estimated Value
Not an official valuation$50 to $150 unauthenticated, driven primarily by item type and connection to the famous tell-all memoir.
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 around $30 to $50 plus shipping and a few weeks turnaround time.