Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
    Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
    Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
    Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
    Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
    Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness
Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness

Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL) – BAS Witness

Regular price
$699.99
Sale price
$699.99
Regular price
$874.99
You save $175.00 (20%)
Authenticated By
Beckett Authentication Services (BAS)
Witnessed Authentication
Visit Authentication Provider
Each item includes its own unique authentication identification. Certification numbers may vary by individual item shipped.
Lifetime Authenticity Guarantee

In Stock — Ships Today

Shopping for the Holidays?

Order early for the best chance of delivery before Christmas. Processing and transit times vary. Display cases may require an additional 3–5 business days before shipping.

Authenticated Verified Details
Free Shipping & Returns
Secure Checkout
Lifetime Guarantee
BBB A+ Rated
Trusted by collectors since 2014 · Read 1,000+ customer reviews
Gameday Sports & Memorabilia BBB Business Review
BBB Accredited · A+ Rating
Verified by the Better Business Bureau
View our BBB profile →
We Accept

Celebrate the greatness of “The Kid” with this Ken Griffey Jr. Autographed Seattle Mariners Teal Nike Jersey (Size XL). Hand-signed by one of the most iconic players in baseball history, this collectible is a must-have for Mariners fans and serious MLB memorabilia collectors. The autograph has been witnessed and certified by Beckett Authentication Services (BAS), ensuring its authenticity and long-term value.

Key Features

  • Hand-signed by Hall of Famer Ken Griffey Jr.
  • Official teal Seattle Mariners Nike jersey (Size XL)
  • Authenticated by Beckett BAS Witness with tamper-proof hologram
  • Perfect for display, framing, or centerpiece collectible

Player Facts

  • Inducted into the Baseball Hall of Fame in 2016 with 99.32% of the vote
  • 13× MLB All-Star, 10× Gold Glove Award winner, 7× Silver Slugger
  • 1997 American League MVP and member of the MLB All-Century Team
  • Career totals: 630 home runs, 1,836 RBIs, and one of the smoothest swings in baseball history
  • A Seattle Mariners icon who helped define a generation of baseball

Specifications

Player Ken Griffey Jr.
Team Seattle Mariners
Item Teal Nike Jersey
Size XL
Authentication Beckett BAS Witness Certified
Condition Mint – bold, clear signature

Authenticity & Shipping

  • Authenticity: Beckett BAS Witness tamper-proof hologram and COA included
  • Condition: Signature quality preserved; jersey is display-ready
  • Packaging: Professionally packed to ensure safe delivery
  • Shipping: Free U.S. shipping with international options available

Note: Signature placement may vary slightly from product images shown.

You May be Interested