Sonny Liston
World Heavyweight Boxing Champion, highly sought-after sports legend · Boxing
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 1960s, peak career period
Item Type
Signed vintage autograph cut mounted on a letter of authenticity document
Condition
Very Good, with minor paper aging, toning, and slight yellowing around the cut
Overall Assessment
A desirable vintage boxing relic backed by reputable third-party certification with strong market value; the primary strength is the existing JSA LOA, and the next step is secure preservation
AI Estimated Value
Not an official valuation$1,500 to $3,000
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
Already certified by James Spence Authentication (JSA); verify the cert number online to ensure the document matches the database