Seattle Mariners Icon & Baseball Hall of Famer: Ken Griffey Jr. Autographed Official Mitchell & Ness Authentic Royal Blue Batting Practice Jersey
Celebrate the peak era of "The Kid" with this official Ken Griffey Jr. Autographed Seattle Mariners Mitchell & Ness Authentic Royal Blue Batting Practice Jersey. Hand-signed in sharp, permanent high-contrast marker by 13x All-Star, 10x Gold Glove Award winner, 1997 American League MVP, and National Baseball Hall of Famer Ken Griffey Jr. (#24).
Unlike standard custom replica jerseys, this premium collectible is an Official Mitchell & Ness Authentic Apparel Piece (Men's Size 48), featuring authentic woven Cooperstown Collection team tagging, authentic tackle-twill stitching, breathable mesh batting practice fabric, and exact historic team tailoring. As the face of baseball during the 1990s, Griffey revolutionized the sport in Seattle with his effortless swing, legendary center-field catches, and unforgettable style. This premium licensed jersey represents the absolute peak of sports memorabilia display pieces, ideal for high-end shadowbox framing, executive suites, fan caves, or investment-grade MLB collections.
Ironclad Beckett BAS Witnessed Authentication Validation
To guarantee 100% indisputable lifetime market legitimacy, this hand-signed authentic jersey was autographed in the physical presence of a Beckett representative and certified under the prestigious Beckett BAS Witnessed Authentication Program.
- Authentication Firm: Beckett Authentication Services (BAS)
- Authentication Type: BAS Witnessed Certification (In-person signing observed directly by a Beckett representative)
- Athlete / Personality: Ken Griffey Jr. (Seattle Mariners / National Baseball Hall of Fame Class of 2016)
- Team Color Style: Seattle Mariners (Royal Blue Batting Practice Mesh with Yellow & White Accents)
- Apparel Branding: Official Mitchell & Ness Authentic Cooperstown Collection
- Sizing: Men's Size 48 (Authentic On-Field Specification)
- Signature Ink: High-Contrast Permanent Marker Signature
- Authentication Deliverables: Serial-numbered tamper-evident Beckett BAS Witness security hologram sticker affixed directly to the jersey with direct online database lookup.
How to Verify Your Witnessed Security Hologram
Your genuine Ken Griffey Jr. autographed authentic jersey includes digital verification powered by the official Beckett Authentication Database.
- Locate Security Serial Code: Find the unique alphanumeric serial number printed on your Beckett BAS Witness tamper-proof security hologram affixed directly to the jersey.
- Navigate to Verification Portal: Visit the official Beckett verification portal (beckett-authentication.com/verify-certificate).
- Input Certification Code: Type the unique serial number into the online search tool.
- Review Verified Details: Instantly confirm the matching player record, witnessed signing details, item description, and official digital authentication status.
Risk-Free Shopping & Premium Protective Shipping
- Secure Protective Packaging: Your autographed authentic Mitchell & Ness jersey is neatly folded inside a protective poly sleeve and shipped inside a rigid corrugated shipping box to ensure it arrives pristine, clean, and ready for display or shadowbox framing. Standard ground shipping is completely free.
- Free 30-Day Returns: Shop with total confidence. If you are not completely satisfied with the jersey's condition, signature clarity, or overall presentation upon arrival, return it within 30 days for a full refund—we cover all return shipping costs.
Product Specifications & Details
- Player: Ken Griffey Jr. (Seattle Mariners Outfielder / #24)
- Apparel Manufacturer: Mitchell & Ness (Authentic Cooperstown Collection)
- Style / Color: Royal Blue Authentic Mesh Batting Practice Jersey (Yellow & White Accents)
- Sizing: Men's Size 48
- Authentication: Beckett BAS Witnessed Tamper-Proof Security Hologram
- Condition: Brand-new / Mint collector condition, ready for display presentation or shadowbox framing
