Free Shipping on U.S. Orders $99+!

Shop the Top Deals of the Week Shop Now
1 3

Unsigned Sealed Ken Griffey Jr. 1997 Costacos Brothers Poster "Junior" #6018 Seattle Mariners SKU #246129

$79

⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors

Free Shipping on U.S. Orders $99+

After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days.

Orders will ship via FedEx, UPS, or USPS for both domestic and international shipments.

60-Day Risk-Free Returns

Shop with total confidence. If you're not completely satisfied, return your item within 60 days for a full refund—no questions asked. Your satisfaction is 100% guaranteed.

100% Authenticity Guaranteed

All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.

Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.

This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.

Learn more

Fast & Secure Checkout

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Step back into baseball history with this Sealed Ken Griffey Jr. 1997 Costacos Brothers Poster "Junior" #6018 — an iconic tribute to one of the most electrifying players of the 1990s. This unsigned vintage poster captures Ken Griffey Jr. in his prime, making it a must-have for fans of the game and nostalgic collectors alike. Originally released in 1997 by the legendary Costacos Brothers, known for their bold and artistic sports poster designs, this piece embodies the golden era of baseball and pop culture crossovers.

  • Player: Ken Griffey Jr. – Seattle Mariners legend and Hall of Famer
  • Poster Title: "Junior" (Costacos Brothers #6018)
  • Year Released: 1997
  • Condition: Sealed and unsigned – a rare find from the iconic Costacos Brothers collection
  • Note: Poster may include creases, consistent with storage or age
Why collectors love this piece: Ken Griffey Jr. wasn't just a baseball superstar—he was a cultural phenomenon. From his smooth swing to his backwards cap, "The Kid" defined a generation of baseball fans. This poster celebrates that legacy, making it a standout item for Mariners fans, 1990s sports memorabilia collectors, or anyone who followed Griffey’s meteoric rise in Major League Baseball. Don’t miss your chance to own a sealed original from one of the most beloved poster series in sports history.
Back to top