Baseball Royalty & "The Kid": Ken Griffey Jr. Autographed Seattle Mariners White Nike Cooperstown Edition Jersey w/ Hall of Fame Patch
Own the crown jewel of Pacific Northwest sports memorabilia: an official Seattle Mariners White Nike Cooperstown Edition Jersey (Size XXL), hand-signed across the back number by First-Ballot Hall of Famer and baseball icon, Ken Griffey Jr.
Defined by his effortless swing, 10 consecutive Gold Glove awards in center field, and 630 career home runs, "The Kid" remains one of the most beloved figures in American sports history. Premium crafted by Nike under their Cooperstown Edition line, this classic white jersey features official team graphics, retro trim, and an official National Baseball Hall of Fame Patch sewn on the sleeve to commemorate his historic 2016 Cooperstown induction. Griffey Jr.’s signature is prominently featured in crisp marker across the jersey number, making this custom piece an absolute masterpiece for shadowbox framing, executive office presentation, or elite sports collections.
Ironclad Beckett Authentication Services (BAS) Validation
To guarantee complete lifetime market legitimacy and protect your collectible investment, this hand-signed jersey has undergone complete authentication by Beckett Authentication Services (BAS).
- Authentication Firm: Beckett Authentication Services (BAS)
- Athlete: Ken Griffey Jr. (Hall of Fame Class of 2016 / 13x All-Star / 1997 AL MVP)
- Team Franchise: Seattle Mariners
- Apparel Brand / Line: Nike Cooperstown Edition
- Item Type: Men's Display Jersey (Size XXL)
- Special Feature: Sewn-On Baseball Hall of Fame (HOF) Induction Patch
- Colorway: White with Classic Mariners Royal & Gold Accents
- Signature Ink: High-Contrast Marker Signature
- Authentication Deliverables: Serial-numbered tamper-evident Beckett security QR hologram sticker attached directly to the jersey surface.
How to Verify Your Security Hologram
Your genuine Ken Griffey Jr. autographed jersey includes direct online verification managed through the official Beckett Authentication Registry.
- Locate Security QR Label: Find the unique, tamper-evident Beckett hologram sticker attached directly to the jersey.
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Scan QR or Navigate: Scan the QR code with your smartphone camera or visit
beckett-authentication.com. - Input Serial Code: Enter the unique serial code printed on your Beckett hologram sticker into the online lookup tool.
- Review Verified Details: Instantly confirm the matching player record, item description, and official digital authentication status.
Risk-Free Shopping & Premium Protective Shipping
- Secure Protective Packaging: Your autographed jersey is neatly folded, poly-bagged, and shipped flat inside a heavy-duty outer box to prevent creasing, seam stress, or damage during transit. 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. #24 (Hall of Fame)
- Team Franchise: Seattle Mariners
- Brand / Model: Nike Cooperstown Edition Jersey
- Size: Men's XXL
- Patch: National Baseball Hall of Fame Sleeve Patch
- Authentication: Beckett Authentication Services (BAS) Tamper-Proof Security QR Hologram
- Condition: Brand-new / unworn collector condition, ready for display presentation
