Harrington's Premier Baseball Memorabilia Auction
Mon, Jul 20, 2026 11:00AM EDT
Lot 12
Mark McGwire Signed Adirondack Big Stick Professional Model Bat with “A.L. Rookie of the Year 11-3-87” Inscription
Estimate: CAD$400 - CAD$600
Bid Increments
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| CAD$0 | CAD$10 |
| CAD$200 | CAD$20 |
| CAD$320 | CAD$30 |
| CAD$380 | CAD$20 |
| CAD$420 | CAD$30 |
| CAD$480 | CAD$20 |
| CAD$500 | CAD$50 |
| CAD$1,000 | CAD$100 |
| CAD$2,000 | CAD$200 |
| CAD$3,200 | CAD$300 |
| CAD$3,800 | CAD$200 |
| CAD$4,200 | CAD$300 |
| CAD$4,800 | CAD$200 |
| CAD$5,000 | CAD$500 |
| CAD$10,000 | CAD$1,000 |
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| CAD$32,000 | CAD$3,000 |
| CAD$38,000 | CAD$2,000 |
| CAD$42,000 | CAD$3,000 |
| CAD$48,000 | CAD$2,000 |
| CAD$50,000 | CAD$5,000 |
| CAD$100,000 | CAD$10,000 |
| CAD$200,000 | CAD$20,000 |
| CAD$320,000 | CAD$30,000 |
| CAD$380,000 | CAD$20,000 |
| CAD$420,000 | CAD$30,000 |
| CAD$480,000 | CAD$20,000 |
| CAD$500,000 | CAD$50,000 |
Mark McGwire Signed Professional Model Bat - Inscribed 'A.L. Rookie Of The Year 11-3-87' (Greenshields Collection)
A Rawlings Adirondack Big Stick professional model bat signed by Mark McGwire, commemorating his American League Rookie of the Year award (1987) with a desirable hand-written inscription dated 11-3-87.
The bat is manufactured to McGwire's professional specifications, with his name stamped into the barrel & the knob marked 25, corresponding to his uniform number. The combination of a career-specific inscription & pro model bat significantly enhances its collectibility.
The bat does not exhibit game use; however, it presents attractively as a high-quality professional model example tied directly to one of the defining milestones of McGwire's career.
Authentication & Provenance
While this item is not accompanied by third-party authentication, the signature & overall presentation are consistent with other known examples from the era. The piece originates from the Greenshields Collection, a long-held private collection assembled over many years & featuring a broad selection of autographed sports memorabilia & professional model equipment.
Condition
Excellent overall condition with minimal visible use. Signature & inscription remain bold & clearly legible.
Details
Player: Mark McGwire
Manufacturer: Rawlings Adirondack
Model: Big Stick - Professional Model
Inscription: A.L. Rookie of the Year 11-3-87
Knob: Marked 25
Use: Unconfirmed (appears unused / pro stock / game-issued)
Authentication: No COA
Provenance: Greenshields Collection
A Rawlings Adirondack Big Stick professional model bat signed by Mark McGwire, commemorating his American League Rookie of the Year award (1987) with a desirable hand-written inscription dated 11-3-87.
The bat is manufactured to McGwire's professional specifications, with his name stamped into the barrel & the knob marked 25, corresponding to his uniform number. The combination of a career-specific inscription & pro model bat significantly enhances its collectibility.
The bat does not exhibit game use; however, it presents attractively as a high-quality professional model example tied directly to one of the defining milestones of McGwire's career.
Authentication & Provenance
While this item is not accompanied by third-party authentication, the signature & overall presentation are consistent with other known examples from the era. The piece originates from the Greenshields Collection, a long-held private collection assembled over many years & featuring a broad selection of autographed sports memorabilia & professional model equipment.
Condition
Excellent overall condition with minimal visible use. Signature & inscription remain bold & clearly legible.
Details
Player: Mark McGwire
Manufacturer: Rawlings Adirondack
Model: Big Stick - Professional Model
Inscription: A.L. Rookie of the Year 11-3-87
Knob: Marked 25
Use: Unconfirmed (appears unused / pro stock / game-issued)
Authentication: No COA
Provenance: Greenshields Collection
Available payment options
1. Shipping is calculated based on location, weight and size of item (s). Insurance is included and is strongly recommended, if declined Harrington's Auctions will not be held liable for any damage that occurs once it leaves our facility.
2. Shipping is done in house.
3.Items are shipped 10-20 business days after invoice is paid in full.
4. Tracking number will be provided once package is dispatched.
5. Items will only be shipped to name and address on invoice, please ensure your information is update. Please do not contact us after the auction asking for items to be shipped to another name or address.
6. All items will be declared at their full and final sale value for customs purposes. We do not alter or reduce declared values. By Placing a bid, you acknowledge responsibility for any applicable taxes, duties or import fees.
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