Matt Williams Autographed San Francisco (Black #9) Custom Stitched Jersey - JSA 33 Hand-signed by Chalmers himself and

Hand-signed by Chalmers himself and authenticated by JSA

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Matt Williams Autographed San Francisco (Black #9) Custom Stitched Jersey - JSA 33 Hand-signed by Chalmers himself andMatt Williams autographed jersey from his San Francisco Giants days. This black #9 custom stitched jersey bears his genuine signature authenticated by JSA, the industry standard for sports memorabilia verification. A premium collectible for fans honoring one of baseball's most feared sluggers and a cornerstone piece for any serious collection.