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Jul 20, 2026
Will Clark Game Used & Signed Worth Tennessee Thumper Bat - JSA COA (Greenshields Collection)
A Worth Tennessee Thumper professional model bat used by Will Clark, one of the premier hitters of his era and a cornerstone of the San Francisco Giants lineup throughout the late 1980s and early 1990s.
The bat exhibits strong evidence of game use, including visible ball marks, surface wear, and handling characteristics consistent with professional play. The barrel is stamped with Clark’s name and model specifications, and the knob is marked “22,” matching his uniform number.
The bat has been hand-signed by Will Clark along the barrel.
Authentication & Provenance
The signature on the bat has been authenticated by James Spence Authentication (JSA) and is affixed with a corresponding sticker.
The bat itself is not accompanied by third-party game use authentication but originates from the Greenshields Collection, a long-held private collection assembled over many years.
Condition
Good game-used condition with moderate to heavy use throughout. Autograph presents well and is supported by third-party authentication.
Details
Player: Will Clark
Manufacturer: Worth Tennessee Thumper
Use: Game Used
Autograph: Yes (JSA Authenticated)
Provenance: Greenshields Collection
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