1980 Dave Winfield Game-Used & Signed Adirondack Professional Model Bat – MEARS A8 – JSA LOA In Progress (Greenshields Collection)

Outstanding Dave Winfield game-used and signed Adirondack professional model baseball bat dating to circa 1980 during the Hall of Famer’s prime playing years.

The bat has been professionally authenticated and graded by MEARS (Memorabilia Evaluation & Research Services), receiving a final grade of A8 with certification number 323844. According to the accompanying MEARS Letter of Opinion, the bat exhibits characteristics and use consistent with Winfield’s documented professional gamers from the era.

Manufactured by Adirondack, the bat features Winfield’s block-letter personal model designation and displays strong professional use characteristics throughout.

MEARS notes include:
Moderate game use
Visible ball marks and surface wear
Pine tar handle preparation
Correct uniform number “31” on knob end
Player characteristics consistent with documented Winfield game bats
Matches known factory specifications for Winfield professional models
Adirondack 302 Pro Ring personal model
36-inch ash bat

The bat has been signed by Dave Winfield in silver marker across the barrel, creating excellent display contrast and visual appeal.

The autograph was submitted to James Spence Authentication (JSA) during the 2026 Montreal Expo and has successfully passed authentication. The official JSA Full Letter of Authenticity (LOA) is currently being processed and will be provided to the winning bidder once received.

One of the premier athletes and power hitters of his generation, Winfield was a 12-time All-Star, seven-time Gold Glove Award winner, member of the exclusive 3,000 hit club, and first-ballot National Baseball Hall of Fame inductee. Professionally authenticated game-used bats from Winfield’s playing career remain desirable among collectors, particularly signed examples displaying strong use characteristics and premium third-party authentication.

Authentication & Provenance
MEARS Letter of Opinion – Final Grade: A8
MEARS Certification Number: 323844
James Spence Authentication (JSA) – Autograph Passed Authentication
Full Letter of Authenticity (LOA) in progress and will be shipped to winning bidder

This piece originates from the esteemed Greenshields Collection, a significant and carefully assembled lifetime baseball memorabilia collection built over decades. The collection features signed memorabilia, game-used equipment, and historic baseball collectibles, with items noted for their quality, consistency, and strong collector appeal.

Condition
The bat displays evident professional game use throughout, including scattered ball marks, surface wear, finish loss, pine tar residue, and handling wear consistent with on-field use. The bat exhibits a handle crack consistent with professional in-game use. The silver autograph remains bold, highly visible, and presents exceptionally well across the barrel. Overall presentation is strong, with excellent collector appeal as a signed Hall of Fame game-used example.

Details
Player: Dave Winfield
Manufacturer: Adirondack
Model: 302 Adirondack Pro Ring Personal Model
Length: 36"
Era: Circa 1980
Wood: Ash
Game Use Authentication: MEARS A8
MEARS Certification Number: 323844
Autograph Authentication: JSA Passed Authentication – Full LOA In Progress
Provenance: Greenshields Collection