Historic Inaugural Franchise Launch: 1977 Seattle Mariners Team-Signed Official Lee MacPhail AL Baseball (26 Signatures)
Step back to the origin of Pacific Northwest Major League Baseball with this incredible 1977 Seattle Mariners Inaugural Team-Signed Official Lee MacPhail American League Baseball. Featuring 26 authentic autographs from players, coaches, and staff who took the field during the franchise's historic premiere season at the iconic Kingdome, this vintage baseball represents the very beginning of Seattle Mariners history.
Signatures on this piece include notable key figures from the inaugural squad: Vada Pinson (First Base Coach & 2x All-Star legend), Carlos Lopez, John Montague, Jimmy Burke, Enrique Romo, Dick Pole, Darrell Johnson (Inaugural Manager), Jose Baez, Diego Segui (the "Original Mariner" and starting pitcher for the franchise's opening game on April 6, 1977), Craig Reynolds, Bob Stinson, Gary Wheelock, Larry Cox, and more.
Stamped with the official signature of American League President Lee MacPhail, this vintage ball exhibits authentic, natural age toning consistent with mid-1970s Rawlings leather collectibles, adding genuine period character. It stands as an extraordinary, museum-worthy anchor for Seattle Mariners historians, vintage baseball memorabilia enthusiasts, or Northwest sports collections.
Ironclad JSA Full-Page Letter Authentication Validation
To guarantee 100% indisputable lifetime market legitimacy, this 26-signature team ball has been thoroughly examined and fully certified authentic by James Spence Authentication (JSA), the gold standard in vintage sports autograph analysis.
- Authentication Firm: James Spence Authentication (JSA)
- Certification Number: JSA #XX97490
- Team / Season: 1977 Seattle Mariners (Inaugural Season)
- League / Ball Model: Official American League Baseball (Lee MacPhail, Pres.)
- Signature Count: 26 Authentic Hand-Written Signatures
- Key Signatures Included: V. Pinson, C. Lopez, J. Montague, J. Burke, E. Romo, D. Pole, D. Johnson (Manager), J. Baez, D. Segui, C. Reynolds, B. Stinson, G. Wheelock, L. Cox, and others.
- Item Condition Details: Natural vintage leather toning present throughout, as shown in detailed photography.
- Authentication Deliverables: Serial-numbered tamper-evident JSA security hologram sticker attached directly to the baseball accompanied by a full-page JSA Certificate of Authenticity (LOA) displaying individual signature breakdowns.
How to Verify Your Security Hologram & Letter
Your genuine 1977 Seattle Mariners autographed baseball includes direct digital verification powered by the official JSA Authentication Database.
- Locate Certification Number: Find the unique serial number (XX97490) printed on your JSA full-page Certificate of Authenticity letter and matching security sticker.
- Navigate to Verification Portal: Visit the official JSA verification database (spenceloa.com).
- Input Certification Code: Type serial number XX97490 into the certificate lookup tool.
- Review Verified Details: Instantly verify the matching team record, signature inventory, certification date, and official digital LOA status.
Risk-Free Shopping & Premium Protective Shipping
- Secure Protective Packaging: Your vintage autographed baseball is enclosed in protective cushioning inside a rigid display cube and shipped in a heavy-duty corrugated box to ensure pristine, safe arrival. Standard ground shipping is completely free and fully insured.
- Free 30-Day Returns: Shop with total confidence. If you are not completely satisfied with the baseball's presentation or signature clarity upon arrival, return it within 30 days for a full refund—we cover all return shipping costs.
Product Specifications & Details
- Franchise: Seattle Mariners (MLB)
- Historical Significance: 1977 Inaugural Season Launch
- Baseball Type: Official American League Baseball (Lee MacPhail)
- Autograph Count: 26 Team Member Signatures
- Authentication: JSA Full-Page Letter of Authenticity (LOA #XX97490) & Matching Security Hologram
- Condition: Vintage / Authentic vintage toning, ideal for display framing or museum cases
