1985 Don Mattingly Game-Used Louisville Slugger Professional Model Bat – MEARS A10 (Greenshields Collection)

Offered here is a superb Don Mattingly Louisville Slugger professional model game-used bat dating to circa 1985, the peak period of Mattingly’s dominance with the New York Yankees and the same season he captured the American League MVP Award.

The bat has been professionally authenticated by MEARS (Memorabilia Evaluation & Research Services), receiving an exceptional final grade of A10, the highest grade assigned within the MEARS grading scale and one of the few perfect 10's in existence. The bat is accompanied by its MEARS Letter of Opinion and certification number 323834.

This Louisville Slugger M110 signature model displays outstanding player characteristics and strong evidence of professional use throughout.

MEARS notes include:
Heavy ball marks and surface wear
Heavy pine tar handle preparation
Correct uniform number “23” on knob
Strong player traits consistent with Mattingly professional models
Excellent overall game-use characteristics

MEARS further notes that the bat exhibits moderate use with a 6-inch handle crack, a common and accepted trait among heavily used professional model bats.

Dating to Mattingly’s MVP-era Yankees seasons, this is an elite-quality example tied to one of the premier hitters and most recognizable stars of 1980s baseball.

Authentication & Provenance
MEARS Letter of Opinion – Final Grade: A10
MEARS Certification Number: 323834

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 exhibits strong professional game use with heavy ball marks, surface wear, pine tar residue, and handling wear consistent with on-field use. A 6-inch handle crack is present and noted within the MEARS evaluation. Overall, the bat presents as an exceptional authenticated gamer from Mattingly’s prime playing years.

Details
Player: Don Mattingly
Team Era: New York Yankees, circa 1985
Manufacturer: Louisville Slugger / Hillerich & Bradsby
Model: M110
Length: 34"
Weight: 30 oz
Wood: Ash
Uniform Number: 23
Game Use Authentication: MEARS A10
MEARS Certification Number: 323834
Provenance: Greenshields Collection